Bump docker/build-push-action from 3 to 5

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 3 to 5.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](docker/build-push-action@v3...v5)

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

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

.github/workflows/build-test.yaml

@@ -317,7 +317,7 @@ jobs:
       - run: chmod +x bin/kots bin/kotsadm
 
       - name: build and push kotsadm for e2e
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@v5
         with:
           tags: ttl.sh/automated-${{ github.run_id }}/kotsadm:24h
           context: ./
@@ -420,7 +420,7 @@ jobs:
       - run: mapfile -t envs < <(grep -v '#.*' < .image.env) && export "${envs[@]}" && make -C kurl_proxy test build
 
       - name: build and push kurl_proxy for e2e
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@v5
         with:
           tags: ttl.sh/automated-${{ github.run_id }}/kurl-proxy:24h
           context: ./kurl_proxy
@@ -453,7 +453,7 @@ jobs:
           path: .image.env
 
       - name: build and push migrations for e2e
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@v5
         with:
           tags: ttl.sh/automated-${{ github.run_id }}/kotsadm-migrations:24h
           context: ./migrations