build(deps): bump github.com/prometheus/client_golang

Bumps [github.com/prometheus/client_golang](https://github.com/prometheus/client_golang) from 1.11.0 to 1.12.1.
- [Release notes](https://github.com/prometheus/client_golang/releases)
- [Changelog](https://github.com/prometheus/client_golang/blob/main/CHANGELOG.md)
- [Commits](prometheus/client_golang@v1.11.0...v1.12.1)

---
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>

go.mod

@@ -58,7 +58,7 @@ require (
 	github.com/optiopay/kafka v0.0.0-00010101000000-000000000000
 	github.com/osrg/gobgp/v3 v3.1.0
 	github.com/pmezard/go-difflib v1.0.0
-	github.com/prometheus/client_golang v1.11.0
+	github.com/prometheus/client_golang v1.12.1
 	github.com/prometheus/client_model v0.2.1-0.20210607210712-147c58e9608a
 	github.com/prometheus/procfs v0.7.3
 	github.com/russross/blackfriday/v2 v2.1.0
@@ -82,7 +82,7 @@ require (
 	golang.org/x/crypto v0.0.0-20211215153901-e495a2d5b3d3
 	golang.org/x/net v0.0.0-20220225172249-27dd8689420f
 	golang.org/x/sync v0.0.0-20210220032951-036812b2e83c
-	golang.org/x/sys v0.0.0-20220111092808-5a964db01320
+	golang.org/x/sys v0.0.0-20220114195835-da31bd327af9
 	golang.org/x/time v0.0.0-20210723032227-1f47c861a9ac
 	golang.org/x/tools v0.1.10
 	golang.zx2c4.com/wireguard v0.0.0-20211017052713-f87e87af0d9a