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/kubeapps-general.yaml

@@ -284,7 +284,7 @@ jobs:
           flavor: latest=true
           tags: ${{needs.setup.outputs.img_dev_tag}}
       - uses: docker/setup-qemu-action@v3
-      - uses: docker/setup-buildx-action@v2
+      - uses: docker/setup-buildx-action@v3
       - name: Build image
         uses: docker/build-push-action@v4
         with:
@@ -321,7 +321,7 @@ jobs:
           flavor: latest=true
           tags: ${{needs.setup.outputs.img_dev_tag}}
       - uses: docker/setup-qemu-action@v3
-      - uses: docker/setup-buildx-action@v2
+      - uses: docker/setup-buildx-action@v3
       - name: Build image
         uses: docker/build-push-action@v4
         with:
@@ -357,7 +357,7 @@ jobs:
           images: ${{needs.setup.outputs.img_prefix}}${{steps.setup.outputs.img_name}}${{needs.setup.outputs.img_modifier}}
           flavor: latest=true
           tags: ${{needs.setup.outputs.img_dev_tag}}
-      - uses: docker/setup-buildx-action@v2
+      - uses: docker/setup-buildx-action@v3
       - name: Build image
         uses: docker/build-push-action@v4
         with: