Bump docker/setup-buildx-action from 2 to 3

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 2 to 3.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@v2...v3)

---
updated-dependencies:
- dependency-name: docker/setup-buildx-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

.github/workflows/docker-pi-hole-base.yml

@@ -34,7 +34,7 @@ jobs:
         uses: docker/setup-qemu-action@v2
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
       -
         name: Docker meta
         id: meta

.github/workflows/ftl-build.yml

@@ -80,7 +80,7 @@ jobs:
           platforms: all
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
       -
         name: Build container and test-compile FTL
         uses: docker/build-push-action@v4
@@ -158,7 +158,7 @@ jobs:
           path: /tmp/digests
       -
         name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
       -
         name: Login to DockerHub and GitHub Container Registry
         uses: ./.github/actions/login-repo

.github/workflows/housekeeping.yml

@@ -8,7 +8,7 @@ jobs:
         steps:
             -
                 name: Set up Docker Buildx
-                uses: docker/setup-buildx-action@v2
+                uses: docker/setup-buildx-action@v3
             -
                 name: Login to GitHub Container Registry with PAT_TOKEN
                 uses: docker/login-action@v2