Bump github.com/prometheus/client_golang from 1.19.1 to 1.20.1

Bumps [github.com/prometheus/client_golang](https://github.com/prometheus/client_golang) from 1.19.1 to 1.20.1.
- [Release notes](https://github.com/prometheus/client_golang/releases)
- [Changelog](https://github.com/prometheus/client_golang/blob/v1.20.1/CHANGELOG.md)
- [Commits](prometheus/client_golang@v1.19.1...v1.20.1)

---
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

@@ -3,7 +3,7 @@ module go.lunarway.com/github-ratelimit-exporter
 go 1.15
 
 require (
-	github.com/prometheus/client_golang v1.19.1
+	github.com/prometheus/client_golang v1.20.1
 	github.com/spf13/pflag v1.0.5
 	go.uber.org/zap v1.27.0
 	gopkg.in/tylerb/graceful.v1 v1.2.15