fix: update ci to new versions

.github/workflows/docker.yml

@@ -11,13 +11,13 @@ jobs:
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       -
         name: Set up QEMU
-        uses: docker/setup-qemu-action@v1
+        uses: docker/setup-qemu-action@v2
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v2
       -
         name: Login to DockerHub
         uses: docker/login-action@v1
@@ -29,6 +29,6 @@ jobs:
         uses: docker/build-push-action@v2
         with:
           context: .
-          platforms: linux/amd64,linux/arm64,linux/arm/v6,linux/arm/v7
+          platforms: linux/amd64,linux/arm64
           push: true
-          tags: chriscn/pihole-to-influxdb:latest
+          tags: chriscn/pihole-to-influxdb:latest