Bump fluxcd/gha-workflows from 0.3.0 to 0.4.0 in the ci group

Bumps the ci group with 1 update: [fluxcd/gha-workflows](https://github.com/fluxcd/gha-workflows).


Updates `fluxcd/gha-workflows` from 0.3.0 to 0.4.0
- [Release notes](https://github.com/fluxcd/gha-workflows/releases)
- [Commits](fluxcd/gha-workflows@v0.3.0...v0.4.0)

---
updated-dependencies:
- dependency-name: fluxcd/gha-workflows
  dependency-version: 0.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: ci
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/backport.yaml

@@ -7,6 +7,6 @@ jobs:
     permissions:
       contents: write # for reading and creating branches.
       pull-requests: write # for creating pull requests against release branches.
-    uses: fluxcd/gha-workflows/.github/workflows/backport.yaml@v0.3.0
+    uses: fluxcd/gha-workflows/.github/workflows/backport.yaml@v0.4.0
     secrets:
       github-token: ${{ secrets.GITHUB_TOKEN }}

.github/workflows/cifuzz.yaml

@@ -10,7 +10,7 @@ jobs:
       contents: read # for reading the repository code.
     steps:
       - name: Test suite setup
-        uses: fluxcd/gha-workflows/.github/actions/setup-kubernetes@v0.3.0
+        uses: fluxcd/gha-workflows/.github/actions/setup-kubernetes@v0.4.0
         with:
           go-version: 1.25.x
       - name: Smoke test Fuzzers

.github/workflows/e2e.yaml

@@ -12,7 +12,7 @@ jobs:
       contents: read # for reading the repository code.
     steps:
       - name: Test suite setup
-        uses: fluxcd/gha-workflows/.github/actions/setup-kubernetes@v0.3.0
+        uses: fluxcd/gha-workflows/.github/actions/setup-kubernetes@v0.4.0
         with:
           go-version: 1.25.x
       - name: Enable integration tests

.github/workflows/release.yml

@@ -15,7 +15,7 @@ jobs:
       contents: write # for creating the GitHub release.
       id-token: write # for creating OIDC tokens for signing.
       packages: write # for pushing and signing container images.
-    uses: fluxcd/gha-workflows/.github/workflows/controller-release.yaml@v0.3.0
+    uses: fluxcd/gha-workflows/.github/workflows/controller-release.yaml@v0.4.0
     with:
       controller: ${{ github.event.repository.name }}
       release-candidate-prefix: ${{ github.event.inputs.tag }}

.github/workflows/scan.yml

@@ -11,7 +11,7 @@ jobs:
     permissions:
       contents: read # for reading the repository code.
       security-events: write # for uploading the CodeQL analysis results.
-    uses: fluxcd/gha-workflows/.github/workflows/code-scan.yaml@v0.3.0
+    uses: fluxcd/gha-workflows/.github/workflows/code-scan.yaml@v0.4.0
     secrets:
       github-token: ${{ secrets.GITHUB_TOKEN }}
       fossa-token: ${{ secrets.FOSSA_TOKEN }}

.github/workflows/sync-labels.yaml

@@ -11,6 +11,6 @@ jobs:
     permissions:
       contents: read # for reading the labels file.
       issues: write # for creating and updating labels.
-    uses: fluxcd/gha-workflows/.github/workflows/labels-sync.yaml@v0.3.0
+    uses: fluxcd/gha-workflows/.github/workflows/labels-sync.yaml@v0.4.0
     secrets:
       github-token: ${{ secrets.GITHUB_TOKEN }}