build(deps): bump github.com/prometheus/client_golang

Bumps [github.com/prometheus/client_golang](https://github.com/prometheus/client_golang) from 1.20.1 to 1.20.2.
- [Release notes](https://github.com/prometheus/client_golang/releases)
- [Changelog](https://github.com/prometheus/client_golang/blob/main/CHANGELOG.md)
- [Commits](https://github.com/prometheus/client_golang/compare/v1.20.1...v1.20.2)

---
updated-dependencies:
- dependency-name: github.com/prometheus/client_golang
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

go.mod

@@ -54,7 +54,7 @@ require (
 	github.com/opencontainers/runtime-tools v0.9.1-0.20221107090550-2e043c6bd626
 	github.com/opencontainers/selinux v1.11.0
 	github.com/pelletier/go-toml/v2 v2.2.3
-	github.com/prometheus/client_golang v1.20.1
+	github.com/prometheus/client_golang v1.20.2
 	github.com/sirupsen/logrus v1.9.3
 	github.com/stretchr/testify v1.9.0
 	github.com/tchap/go-patricia/v2 v2.3.1