build(deps): Bump golang.org/x/sync from 0.18.0 to 0.19.0

Bumps [golang.org/x/sync](https://github.com/golang/sync) from 0.18.0 to 0.19.0.
- [Commits](golang/sync@v0.18.0...v0.19.0)

---
updated-dependencies:
- dependency-name: golang.org/x/sync
  dependency-version: 0.19.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

go.mod

@@ -9,7 +9,7 @@ require (
 	github.com/spf13/pflag v1.0.10
 	github.com/stretchr/testify v1.11.1
 	go.etcd.io/gofail v0.2.0
-	golang.org/x/sync v0.18.0
+	golang.org/x/sync v0.19.0
 	golang.org/x/sys v0.38.0
 )
 

go.sum

@@ -23,8 +23,8 @@ golang.org/x/mod v0.27.0 h1:kb+q2PyFnEADO2IEF935ehFUXlWiNjJWtRNgBLSfbxQ=
 golang.org/x/mod v0.27.0/go.mod h1:rWI627Fq0DEoudcK+MBkNkCe0EetEaDSwJJkCcjpazc=
 golang.org/x/perf v0.0.0-20250813145418-2f7363a06fe1 h1:stGRioFgvBd3x8HoGVg9bb41lLTWLjBMFT/dMB7f4mQ=
 golang.org/x/perf v0.0.0-20250813145418-2f7363a06fe1/go.mod h1:rjfRjhHXb3XNVh/9i5Jr2tXoTd0vOlZN5rzsM8cQE6k=
-golang.org/x/sync v0.18.0 h1:kr88TuHDroi+UVf+0hZnirlk8o8T+4MrK6mr60WkH/I=
-golang.org/x/sync v0.18.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
+golang.org/x/sync v0.19.0 h1:vV+1eWNmZ5geRlYjzm2adRgW2/mcpevXNg50YZtPCE4=
+golang.org/x/sync v0.19.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
 golang.org/x/sys v0.38.0 h1:3yZWxaJjBmCWXqhN1qh02AkOnCQ1poK6oF+a7xWL6Gc=
 golang.org/x/sys v0.38.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
 golang.org/x/tools v0.36.0 h1:kWS0uv/zsvHEle1LbV5LE8QujrxB3wfQyxHfhOk0Qkg=