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] <support@github.com>

.github/workflows/lscr.yml

@@ -37,7 +37,7 @@ jobs:
       # https://github.com/docker/setup-buildx-action
       - name: Set up Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
 
       - name: Login to GHCR
         if: github.event_name != 'pull_request'
@@ -98,7 +98,7 @@ jobs:
       # https://github.com/docker/setup-buildx-action
       - name: Set up Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
 
       - name: Login to GHCR
         if: github.event_name != 'pull_request'

.github/workflows/main.yml

@@ -42,7 +42,7 @@ jobs:
       # https://github.com/docker/setup-buildx-action
       - name: Set up Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
 
       #      - name: Available platforms
       #        run: echo ${{ steps.buildx.outputs.platforms }}
@@ -109,7 +109,7 @@ jobs:
       # https://github.com/docker/setup-buildx-action
       - name: Set up Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
 
       #      - name: Available platforms
       #        run: echo ${{ steps.buildx.outputs.platforms }}
@@ -177,7 +177,7 @@ jobs:
       # https://github.com/docker/setup-buildx-action
       - name: Set up Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
 
       #      - name: Available platforms
       #        run: echo ${{ steps.buildx.outputs.platforms }}