Bump docker/setup-buildx-action from 1.7.0 to 2.2.1

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 1.7.0 to 2.2.1.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@f211e3e...8c0edbc)

---
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/main.yml

@@ -29,7 +29,7 @@ jobs:
 
       - name: Set up Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@f211e3e9ded2d9377c8cadc4489a4e38014bc4c9 # pin@v1
+        uses: docker/setup-buildx-action@8c0edbc76e98fa90f69d9a2c020dcb50019dc325 # pin@v1
 
       - name: Available platforms
         run: echo ${{ steps.buildx.outputs.platforms }}

.github/workflows/manual-build.yml

@@ -30,7 +30,7 @@ jobs:
 
       - name: Set up Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@f211e3e9ded2d9377c8cadc4489a4e38014bc4c9 # pin@v1
+        uses: docker/setup-buildx-action@8c0edbc76e98fa90f69d9a2c020dcb50019dc325 # pin@v1
 
       - name: Build
         id: build