build(deps): bump the otel group with 8 updates

Bumps the otel group with 8 updates:

| Package | From | To |
| --- | --- | --- |
| [go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc](https://github.com/open-telemetry/opentelemetry-go-contrib) | `0.50.0` | `0.51.0` |
| [go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp](https://github.com/open-telemetry/opentelemetry-go-contrib) | `0.50.0` | `0.51.0` |
| [go.opentelemetry.io/otel](https://github.com/open-telemetry/opentelemetry-go) | `1.25.0` | `1.26.0` |
| [go.opentelemetry.io/otel/exporters/otlp/otlptrace](https://github.com/open-telemetry/opentelemetry-go) | `1.25.0` | `1.26.0` |
| [go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc](https://github.com/open-telemetry/opentelemetry-go) | `1.25.0` | `1.26.0` |
| [go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp](https://github.com/open-telemetry/opentelemetry-go) | `1.25.0` | `1.26.0` |
| [go.opentelemetry.io/otel/sdk](https://github.com/open-telemetry/opentelemetry-go) | `1.25.0` | `1.26.0` |
| [go.opentelemetry.io/otel/trace](https://github.com/open-telemetry/opentelemetry-go) | `1.25.0` | `1.26.0` |


Updates `go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc` from 0.50.0 to 0.51.0
- [Release notes](https://github.com/open-telemetry/opentelemetry-go-contrib/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-go-contrib/blob/main/CHANGELOG.md)
- [Commits](https://github.com/open-telemetry/opentelemetry-go-contrib/compare/zpages/v0.50.0...zpages/v0.51.0)

Updates `go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp` from 0.50.0 to 0.51.0
- [Release notes](https://github.com/open-telemetry/opentelemetry-go-contrib/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-go-contrib/blob/main/CHANGELOG.md)
- [Commits](https://github.com/open-telemetry/opentelemetry-go-contrib/compare/zpages/v0.50.0...zpages/v0.51.0)

Updates `go.opentelemetry.io/otel` from 1.25.0 to 1.26.0
- [Release notes](https://github.com/open-telemetry/opentelemetry-go/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-go/blob/main/CHANGELOG.md)
- [Commits](https://github.com/open-telemetry/opentelemetry-go/compare/v1.25.0...v1.26.0)

Updates `go.opentelemetry.io/otel/exporters/otlp/otlptrace` from 1.25.0 to 1.26.0
- [Release notes](https://github.com/open-telemetry/opentelemetry-go/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-go/blob/main/CHANGELOG.md)
- [Commits](https://github.com/open-telemetry/opentelemetry-go/compare/v1.25.0...v1.26.0)

Updates `go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc` from 1.25.0 to 1.26.0
- [Release notes](https://github.com/open-telemetry/opentelemetry-go/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-go/blob/main/CHANGELOG.md)
- [Commits](https://github.com/open-telemetry/opentelemetry-go/compare/v1.25.0...v1.26.0)

Updates `go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp` from 1.25.0 to 1.26.0
- [Release notes](https://github.com/open-telemetry/opentelemetry-go/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-go/blob/main/CHANGELOG.md)
- [Commits](https://github.com/open-telemetry/opentelemetry-go/compare/v1.25.0...v1.26.0)

Updates `go.opentelemetry.io/otel/sdk` from 1.25.0 to 1.26.0
- [Release notes](https://github.com/open-telemetry/opentelemetry-go/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-go/blob/main/CHANGELOG.md)
- [Commits](https://github.com/open-telemetry/opentelemetry-go/compare/v1.25.0...v1.26.0)

Updates `go.opentelemetry.io/otel/trace` from 1.25.0 to 1.26.0
- [Release notes](https://github.com/open-telemetry/opentelemetry-go/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-go/blob/main/CHANGELOG.md)
- [Commits](https://github.com/open-telemetry/opentelemetry-go/compare/v1.25.0...v1.26.0)

---
updated-dependencies:
- dependency-name: go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: otel
- dependency-name: go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: otel
- dependency-name: go.opentelemetry.io/otel
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: otel
- dependency-name: go.opentelemetry.io/otel/exporters/otlp/otlptrace
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: otel
- dependency-name: go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: otel
- dependency-name: go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: otel
- dependency-name: go.opentelemetry.io/otel/sdk
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: otel
- dependency-name: go.opentelemetry.io/otel/trace
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: otel
...

Signed-off-by: dependabot[bot] <support@github.com>

vendor/github.com/grpc-ecosystem/grpc-gateway/v2/runtime/mux.go

@@ -341,13 +341,13 @@ func (s *ServeMux) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	}
 
 	if override := r.Header.Get("X-HTTP-Method-Override"); override != "" && s.isPathLengthFallback(r) {
-		r.Method = strings.ToUpper(override)
 		if err := r.ParseForm(); err != nil {
 			_, outboundMarshaler := MarshalerForRequest(s, r)
 			sterr := status.Error(codes.InvalidArgument, err.Error())
 			s.errorHandler(ctx, s, outboundMarshaler, w, r, sterr)
 			return
 		}
+		r.Method = strings.ToUpper(override)
 	}
 
 	var pathComponents []string