chore(deps): update docker/setup-buildx-action action to v4 (#123)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/build-commitfest.yml

@@ -62,7 +62,7 @@ jobs:
         password: ${{ secrets.GITHUB_TOKEN }}
 
     - name: Set up Docker Buildx
-      uses: docker/setup-buildx-action@v3
+      uses: docker/setup-buildx-action@v4
 
     - name: Build and push
       uses: docker/bake-action@v7

.github/workflows/build.yml

@@ -59,7 +59,7 @@ jobs:
         password: ${{ secrets.GITHUB_TOKEN }}
 
     - name: Set up Docker Buildx
-      uses: docker/setup-buildx-action@v3
+      uses: docker/setup-buildx-action@v4
 
     - name: Build and push
       uses: docker/bake-action@v7

.github/workflows/continuous-delivery.yml

@@ -69,7 +69,7 @@ jobs:
         password: ${{ secrets.GITHUB_TOKEN }}
 
     - name: Set up Docker Buildx
-      uses: docker/setup-buildx-action@v3
+      uses: docker/setup-buildx-action@v4
 
     - name: Build and push
       uses: docker/bake-action@v7

.github/workflows/reusable-e2e.yml

@@ -108,7 +108,7 @@ jobs:
           echo PWD=$(pwd) >> $GITHUB_ENV
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
+        uses: docker/setup-buildx-action@v4
 
       - name: Install Kind
         uses: helm/kind-action@v1.14.0