build(deps): bump golang.org/x/sync from 0.4.0 to 0.5.0

Bumps [golang.org/x/sync](https://github.com/golang/sync) from 0.4.0 to 0.5.0.
- [Commits](https://github.com/golang/sync/compare/v0.4.0...v0.5.0)

---
updated-dependencies:
- dependency-name: golang.org/x/sync
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

vendor/golang.org/x/sync/errgroup/go120.go

@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build go1.20
-// +build go1.20
 
 package errgroup
 

vendor/golang.org/x/sync/errgroup/pre_go120.go

@@ -3,7 +3,6 @@
 // license that can be found in the LICENSE file.
 
 //go:build !go1.20
-// +build !go1.20
 
 package errgroup