chore(deps): bump fluxcd/flux2 from 2.1.1 to 2.1.2 (#8640)

Bumps [fluxcd/flux2](https://github.com/fluxcd/flux2) from 2.1.1 to 2.1.2.
- [Release notes](https://github.com/fluxcd/flux2/releases)
- [Changelog](https://github.com/fluxcd/flux2/blob/main/.goreleaser.yml)
- [Commits](026ab61ba7...a18d4f3450)

---
updated-dependencies:
- dependency-name: fluxcd/flux2
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

.github/workflows/release.yaml

@@ -276,7 +276,7 @@ jobs:
         uses: ./.github/actions/setup-build-env
         timeout-minutes: 10
       - name: Setup Flux CLI
-        uses: fluxcd/flux2/action@026ab61ba7e3755d7be7dc7d2b6024c3b3992291 # v2.1.1
+        uses: fluxcd/flux2/action@a18d4f345021182d6516bf3e8e00210567f46ab5 # v2.1.2
         with:
           version: 0.35.0
       - name: Install Cosign