build(deps): bump docker/setup-buildx-action from 1 to 2

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 1 to 2.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](docker/setup-buildx-action@v1...v2)

---
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/cut-release.yml

@@ -179,7 +179,7 @@ jobs:
         with:
           platforms: all
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v2
       - name: Login
         uses: docker/login-action@v1
         with:

.github/workflows/nightly.yml

@@ -47,7 +47,7 @@ jobs:
       - uses: docker/setup-qemu-action@v1
         with:
           platforms: all
-      - uses: docker/setup-buildx-action@v1
+      - uses: docker/setup-buildx-action@v2
       - uses: actions/setup-go@v3
         with:
           go-version: ${{ steps.setup.outputs.go_version }}