core: bump github.com/prometheus/client_golang from 1.20.2 to 1.20.3 (#11243)

Bumps [github.com/prometheus/client_golang](https://github.com/prometheus/client_golang) from 1.20.2 to 1.20.3.
- [Release notes](https://github.com/prometheus/client_golang/releases)
- [Changelog](https://github.com/prometheus/client_golang/blob/v1.20.3/CHANGELOG.md)
- [Commits](https://github.com/prometheus/client_golang/compare/v1.20.2...v1.20.3)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -22,7 +22,7 @@ require (
 	github.com/mitchellh/mapstructure v1.5.0
 	github.com/nmcclain/asn1-ber v0.0.0-20170104154839-2661553a0484
 	github.com/pires/go-proxyproto v0.7.0
-	github.com/prometheus/client_golang v1.20.2
+	github.com/prometheus/client_golang v1.20.3
 	github.com/redis/go-redis/v9 v9.6.1
 	github.com/sethvargo/go-envconfig v1.1.0
 	github.com/sirupsen/logrus v1.9.3