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](https://github.com/docker/setup-buildx-action/compare/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/ci.yml

@@ -197,7 +197,7 @@ jobs:
           platforms: all
 
       - name: Setup Docker Buildx
-        uses: docker/setup-buildx-action@v1
+        uses: docker/setup-buildx-action@v2
         with:
           version: ${{ env.DOCKER_BUILDX_VERSION }}
           install: true

.github/workflows/e2e.yml

@@ -80,7 +80,7 @@ jobs:
         name: external-secrets
 
     - name: Setup Docker Buildx
-      uses: docker/setup-buildx-action@v1
+      uses: docker/setup-buildx-action@v2
       with:
         version: ${{ env.DOCKER_BUILDX_VERSION }}
         install: true
@@ -143,7 +143,7 @@ jobs:
         name: external-secrets
 
     - name: Setup Docker Buildx
-      uses: docker/setup-buildx-action@v1
+      uses: docker/setup-buildx-action@v2
       with:
         version: ${{ env.DOCKER_BUILDX_VERSION }}
         install: true