rebase: bump github.com/prometheus/client_golang from 1.12.2 to 1.14.0

Bumps [github.com/prometheus/client_golang](https://github.com/prometheus/client_golang) from 1.12.2 to 1.14.0.
- [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/v1.12.2...v1.14.0)

---
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>

vendor/github.com/prometheus/procfs/Makefile

@@ -14,18 +14,18 @@
 include Makefile.common
 
 %/.unpacked: %.ttar
-	@echo ">> extracting fixtures"
+	@echo ">> extracting fixtures $*"
 	./ttar -C $(dir $*) -x -f $*.ttar
 	touch $@
 
-fixtures: fixtures/.unpacked
+fixtures: testdata/fixtures/.unpacked
 
 update_fixtures:
-	rm -vf fixtures/.unpacked
-	./ttar -c -f fixtures.ttar fixtures/
+	rm -vf testdata/fixtures/.unpacked
+	./ttar -c -f testdata/fixtures.ttar -C testdata/ fixtures/
 
 .PHONY: build
 build:
 
 .PHONY: test
-test: fixtures/.unpacked common-test
+test: testdata/fixtures/.unpacked common-test