ci: bump docker/login-action from 2 to 3

Bumps [docker/login-action](https://github.com/docker/login-action) from 2 to 3.
- [Release notes](https://github.com/docker/login-action/releases)
- [Commits](docker/login-action@v2...v3)

---
updated-dependencies:
- dependency-name: docker/login-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/benchmarking-image.yml

@@ -63,7 +63,7 @@ jobs:
         uses: docker/setup-buildx-action@v2
 
       - name: Login to ghcr.io
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
         with:
           registry: ghcr.io
           username: ${{ github.actor }}

.github/workflows/runtime-builder-image.yml

@@ -58,7 +58,7 @@ jobs:
         uses: docker/setup-buildx-action@v2
 
       - name: Login to ghcr.io
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
         with:
           registry: ghcr.io
           username: ${{ github.actor }}