build(deps): bump github.com/prometheus/procfs from 0.20.1 to 0.21.0

Bumps [github.com/prometheus/procfs](https://github.com/prometheus/procfs) from 0.20.1 to 0.21.0.
- [Release notes](https://github.com/prometheus/procfs/releases)
- [Commits](prometheus/procfs@v0.20.1...v0.21.0)

---
updated-dependencies:
- dependency-name: github.com/prometheus/procfs
  dependency-version: 0.21.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

go.mod

@@ -11,7 +11,7 @@ require (
 	github.com/kylelemons/godebug v1.1.0
 	github.com/prometheus/client_model v0.6.2
 	github.com/prometheus/common v0.69.0
-	github.com/prometheus/procfs v0.20.1
+	github.com/prometheus/procfs v0.21.0
 	go.uber.org/goleak v1.3.0
 	golang.org/x/sys v0.46.0
 	google.golang.org/protobuf v1.36.11

go.sum

@@ -35,8 +35,8 @@ github.com/prometheus/client_model v0.6.2 h1:oBsgwpGs7iVziMvrGhE53c/GrLUsZdHnqNw
 github.com/prometheus/client_model v0.6.2/go.mod h1:y3m2F6Gdpfy6Ut/GBsUqTWZqCUvMVzSfMLjcu6wAwpE=
 github.com/prometheus/common v0.69.0 h1:OA85nJQS/T/MaYh/Q2CcgDKSGWqNIgrBDvDH85CuiNk=
 github.com/prometheus/common v0.69.0/go.mod h1:ZzL3f6u94qUxh9p+tJTrF+FvBS1XXbbRAZCQkytAL0Y=
-github.com/prometheus/procfs v0.20.1 h1:XwbrGOIplXW/AU3YhIhLODXMJYyC1isLFfYCsTEycfc=
-github.com/prometheus/procfs v0.20.1/go.mod h1:o9EMBZGRyvDrSPH1RqdxhojkuXstoe4UlK79eF5TGGo=
+github.com/prometheus/procfs v0.21.0 h1:Qh/e6TlBjZf+XLLqNCqFGmCU6Kj/2Bu7kj3oAc0UnXc=
+github.com/prometheus/procfs v0.21.0/go.mod h1:aB55Cww9pdSJVHk0hUf0inxWyyjPogFIjmHKYgMKmtY=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=