ci: bump docker/build-push-action from 3 to 4 (#4574)

Bumps [docker/build-push-action](https://github.com/docker/build-push-action) from 3 to 4.
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](https://github.com/docker/build-push-action/compare/v3...v4)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/ci-main.yml

@@ -188,7 +188,7 @@ jobs:
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
       - name: Build Docker Image
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@v4
         with:
           secrets: |
             GEOIPUPDATE_ACCOUNT_ID=${{ secrets.GEOIPUPDATE_ACCOUNT_ID }}
@@ -229,7 +229,7 @@ jobs:
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
       - name: Build Docker Image
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@v4
         with:
           secrets: |
             GEOIPUPDATE_ACCOUNT_ID=${{ secrets.GEOIPUPDATE_ACCOUNT_ID }}

.github/workflows/ci-outpost.yml

@@ -83,7 +83,7 @@ jobs:
       - name: Generate API
         run: make gen-client-go
       - name: Build Docker Image
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@v4
         with:
           push: ${{ steps.ev.outputs.shouldBuild == 'true' }}
           tags: |

.github/workflows/release-publish.yml

@@ -28,7 +28,7 @@ jobs:
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
       - name: Build Docker Image
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@v4
         with:
           push: ${{ github.event_name == 'release' }}
           secrets: |
@@ -76,7 +76,7 @@ jobs:
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
       - name: Build Docker Image
-        uses: docker/build-push-action@v3
+        uses: docker/build-push-action@v4
         with:
           push: ${{ github.event_name == 'release' }}
           tags: |