build(deps): bump the ci group with 3 updates

Bumps the ci group with 3 updates: [anchore/sbom-action](https://github.com/anchore/sbom-action), [sigstore/cosign-installer](https://github.com/sigstore/cosign-installer) and [peter-evans/create-pull-request](https://github.com/peter-evans/create-pull-request).

Updates `anchore/sbom-action` from 0.15.5 to 0.15.8
- [Release notes](https://github.com/anchore/sbom-action/releases)
- [Commits](24b0d52385...b6a39da807)

Updates `sigstore/cosign-installer` from 3.3.0 to 3.4.0
- [Release notes](https://github.com/sigstore/cosign-installer/releases)
- [Commits](9614fae9e5...e1523de757)

Updates `peter-evans/create-pull-request` from 5.0.2 to 6.0.0
- [Release notes](https://github.com/peter-evans/create-pull-request/releases)
- [Commits](153407881e...b1ddad2c99)

---
updated-dependencies:
- dependency-name: anchore/sbom-action
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: ci
- dependency-name: sigstore/cosign-installer
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: ci
- dependency-name: peter-evans/create-pull-request
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: ci
...

Signed-off-by: dependabot[bot] <support@github.com>
(cherry picked from commit 976f40b642)

.github/workflows/release.yaml

@@ -34,9 +34,9 @@ jobs:
         id: buildx
         uses: docker/setup-buildx-action@f95db51fddba0c2d1ec667646a06c2ce06100226  # v3.0.0
       - name: Setup Syft
-        uses: anchore/sbom-action/download-syft@24b0d5238516480139aa8bc6f92eeb7b54a9eb0a # v0.15.5
+        uses: anchore/sbom-action/download-syft@b6a39da80722a2cb0ef5d197531764a89b5d48c3 # v0.15.8
       - name: Setup Cosign
-        uses: sigstore/cosign-installer@9614fae9e5c5eddabb09f90a270fcb487c9f7149 # v3.3.0
+        uses: sigstore/cosign-installer@e1523de7571e31dbe865fd2e80c5c7c23ae71eb4 # v3.4.0
       - name: Setup Kustomize
         uses: fluxcd/pkg/actions/kustomize@main
       - name: Login to GitHub Container Registry
@@ -155,7 +155,7 @@ jobs:
           --path="./flux-system" \
           --source=${{ github.repositoryUrl }} \
           --revision="${{ github.ref_name }}@sha1:${{ github.sha }}"
-      - uses: sigstore/cosign-installer@9614fae9e5c5eddabb09f90a270fcb487c9f7149 # v3.3.0
+      - uses: sigstore/cosign-installer@e1523de7571e31dbe865fd2e80c5c7c23ae71eb4 # v3.4.0
       - name: Sign manifests
         env:
           COSIGN_EXPERIMENTAL: 1

.github/workflows/update.yaml

@@ -84,7 +84,7 @@ jobs:
 
       - name: Create Pull Request
         id: cpr
-        uses: peter-evans/create-pull-request@153407881ec5c347639a548ade7d8ad1d6740e38 # v5.0.2
+        uses: peter-evans/create-pull-request@b1ddad2c994a25fbc81a28b3ec0e368bb2021c50 # v6.0.0
         with:
           token: ${{ secrets.BOT_GITHUB_TOKEN }}
           commit-message: |