Use hub namepace in all actions.

Signed-off-by: Dan Schaper <dan.schaper@pi-hole.net>

.github/workflows/nightly-build.yml

@@ -59,4 +59,4 @@ jobs:
               PIHOLE_VERSION=nightly
             push: true
             tags: |
-              pihole/pihole:nightly
+              ${{ secrets.DOCKERHUB_NAMESPACE }}/pihole:nightly

.github/workflows/test-and-build.yaml

@@ -26,27 +26,34 @@ jobs:
     needs: test
     runs-on: ubuntu-latest
     steps:
-      - name: Checkout
+      -
+        name: Checkout
         uses: actions/checkout@v2
-      - name: Get the tag name
+      -
+        name: Get the tag name
         run: |
           echo "TAG=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
-      - name: Docker meta
+      -
+        name: Docker meta
         id: meta
         uses: docker/metadata-action@v3
         with:
           images: ${{ secrets.DOCKERHUB_NAMESPACE }}/pihole
           github-token: ${{ secrets.GITHUB_TOKEN }}
-      - name: Set up QEMU
+      -
+        name: Set up QEMU
         uses: docker/setup-qemu-action@v1
-      - name: Set up Docker Buildx
+      -
+        name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
-      - name: Login to DockerHub
+      -
+        name: Login to DockerHub
         uses: docker/login-action@v1
         with:
           username: ${{ secrets.DOCKERHUB_USER }}
           password: ${{ secrets.DOCKERHUB_PASS }}
-      - name: Build and push
+      -
+        name: Build and push
         uses: docker/build-push-action@v2
         with:
           context: .
@@ -55,4 +62,4 @@ jobs:
             PIHOLE_VERSION=${{ env.TAG }}
           push: true
           tags: ${{ steps.meta.outputs.tags }}
-          labels: ${{ steps.meta.outputs.labels }}
+          labels: ${{ steps.meta.outputs.labels }}

.github/workflows/workflow_dispatch.yml

@@ -64,4 +64,4 @@ jobs:
             PIHOLE_VERSION=${{ github.event.inputs.name }}
           push: true
           tags: |
-            pihole/pihole:${{ github.event.inputs.name }}
+            ${{ secrets.DOCKERHUB_NAMESPACE }}/pihole:${{ github.event.inputs.name }}