chore(deps): update docker/setup-buildx-action action to v4

.gitea/workflows/artifacthub-metadata.yaml

@@ -11,12 +11,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v6.0.2
-    - uses: docker/login-action@v3.7.0
+    - uses: docker/login-action@v4.0.0
       with:
         registry: ${{ github.server_url }}
         username: ${{ github.repository_owner }}
         password: ${{ secrets.GIT_CRYPTIC_SYSTEMS_PACKAGE_REGISTRY_TOKEN }}
-    - uses: docker/login-action@v3.7.0
+    - uses: docker/login-action@v4.0.0
       with:
         username: ${{ secrets.DOCKER_IO_USERNAME }}
         password: ${{ secrets.DOCKER_IO_PASSWORD }}

.gitea/workflows/release.yaml

@@ -35,11 +35,11 @@ jobs:
       with:
         cosign-release: "v2.6.2" # renovate: datasource=github-tags depName=sigstore/cosign
     - uses: docker/setup-qemu-action@v3.7.0
-    - uses: docker/setup-buildx-action@v3.12.0
+    - uses: docker/setup-buildx-action@v4.0.0
     - uses: actions/setup-go@v6.3.0
       with:
         go-version: stable
-    - uses: docker/login-action@v3.7.0
+    - uses: docker/login-action@v4.0.0
       with:
         registry: git.cryptic.systems
         username: ${{ github.repository_owner }}