mod: do: bump github.com/prometheus/client_golang from 1.14.0 to 1.16.0

Bumps [github.com/prometheus/client_golang](https://github.com/prometheus/client_golang) from 1.14.0 to 1.16.0.
- [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/v1.14.0...v1.16.0)

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

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

1 files changed, 5 insertions, 4 deletions

diff --git a/vendor/github.com/prometheus/procfs/thread.go b/vendor/github.com/prometheus/procfs/thread.go
index f08bfc769..490c14708 100644
--- a/vendor/github.com/prometheus/procfs/thread.go
+++ b/vendor/github.com/prometheus/procfs/thread.go
@@ -54,7 +54,8 @@ func (fs FS) AllThreads(pid int) (Procs, error) {
 		if err != nil {
 			continue
 		}
-		t = append(t, Proc{PID: int(tid), fs: fsi.FS(taskPath)})
+
+		t = append(t, Proc{PID: int(tid), fs: FS{fsi.FS(taskPath), fs.real}})
 	}
 
 	return t, nil
@@ -66,13 +67,13 @@ func (fs FS) Thread(pid, tid int) (Proc, error) {
 	if _, err := os.Stat(taskPath); err != nil {
 		return Proc{}, err
 	}
-	return Proc{PID: tid, fs: fsi.FS(taskPath)}, nil
+	return Proc{PID: tid, fs: FS{fsi.FS(taskPath), fs.real}}, nil
 }
 
 // Thread returns a process for a given TID of Proc.
 func (proc Proc) Thread(tid int) (Proc, error) {
-	tfs := fsi.FS(proc.path("task"))
-	if _, err := os.Stat(tfs.Path(strconv.Itoa(tid))); err != nil {
+	tfs := FS{fsi.FS(proc.path("task")), proc.fs.real}
+	if _, err := os.Stat(tfs.proc.Path(strconv.Itoa(tid))); err != nil {
 		return Proc{}, err
 	}
 	return Proc{PID: tid, fs: tfs}, nil