chore(deps): bump prometheus/promci-setup from 0.1.0 to 0.2.1

Bumps [prometheus/promci-setup](https://github.com/prometheus/promci-setup) from 0.1.0 to 0.2.1.
- [Release notes](https://github.com/prometheus/promci-setup/releases)
- [Commits](prometheus/promci-setup@5af30ba...3e5cd31)

---
updated-dependencies:
- dependency-name: prometheus/promci-setup
  dependency-version: 0.2.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
       - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           persist-credentials: false
-      - uses: prometheus/promci-setup@5af30ba8c199a91d6c04ebdc3c48e630e355f62d # v0.1.0
+      - uses: prometheus/promci-setup@3e5cd31b34b8ae19efa8f071c5e3cdb44884a7f8 # v0.2.1
       - run: make GO_ONLY=1 SKIP_GOLANGCI_LINT=1
 
   build: