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

Bumps [github.com/prometheus/prometheus](https://github.com/prometheus/prometheus) from 0.308.1 to 0.309.1.
- [Release notes](https://github.com/prometheus/prometheus/releases)
- [Changelog](https://github.com/prometheus/prometheus/blob/main/CHANGELOG.md)
- [Commits](prometheus/prometheus@v0.308.1...v0.309.1)

---
updated-dependencies:
- dependency-name: github.com/prometheus/prometheus
  dependency-version: 0.309.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

go.mod

@@ -14,7 +14,7 @@ require (
 	github.com/prometheus-operator/prometheus-operator/pkg/client v0.87.1
 	github.com/prometheus/client_golang v1.23.2
 	github.com/prometheus/common v0.67.4
-	github.com/prometheus/prometheus v0.308.1
+	github.com/prometheus/prometheus v0.309.1
 	github.com/sirupsen/logrus v1.9.3
 	github.com/slok/go-http-metrics v0.13.0
 	github.com/slok/reload v0.2.0