build(deps): bump docker/setup-buildx-action from 2.6.0 to 2.7.0

Bumps [docker/setup-buildx-action](https://github.com/docker/setup-buildx-action) from 2.6.0 to 2.7.0.
- [Release notes](https://github.com/docker/setup-buildx-action/releases)
- [Commits](6a58db7e0d...ecf95283f0)

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

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/e2e.yaml

@@ -19,7 +19,7 @@ jobs:
         uses: docker/setup-qemu-action@2b82ce82d56a2a04d2637cd93a637ae1b359c0a7 # v2.2.0
       - name: Setup Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@6a58db7e0d21ca03e6c44877909e80e45217eed2 # v2.6.0
+        uses: docker/setup-buildx-action@ecf95283f03858871ff00b787d79c419715afc34 # v2.7.0
       - name: Cache Docker layers
         uses: actions/cache@88522ab9f39a2ea568f7027eddc7d8d8bc9d59c8 # v3.3.1
         id: cache

.github/workflows/nightly.yml

@@ -20,7 +20,7 @@ jobs:
         uses: docker/setup-qemu-action@2b82ce82d56a2a04d2637cd93a637ae1b359c0a7 # v2.2.0
       - name: Setup Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@6a58db7e0d21ca03e6c44877909e80e45217eed2 # v2.6.0
+        uses: docker/setup-buildx-action@ecf95283f03858871ff00b787d79c419715afc34 # v2.7.0
         with:
           buildkitd-flags: "--debug"
       - name: Build multi-arch container image

.github/workflows/release.yml

@@ -39,7 +39,7 @@ jobs:
         uses: docker/setup-qemu-action@2b82ce82d56a2a04d2637cd93a637ae1b359c0a7 # v2.2.0
       - name: Setup Docker Buildx
         id: buildx
-        uses: docker/setup-buildx-action@6a58db7e0d21ca03e6c44877909e80e45217eed2 # v2.6.0
+        uses: docker/setup-buildx-action@ecf95283f03858871ff00b787d79c419715afc34 # v2.7.0
       - name: Login to GitHub Container Registry
         uses: docker/login-action@465a07811f14bebb1938fbed4728c6a1ff8901fc # v2.2.0
         with: