Chore(deps): Bump the actions group with 3 updates

Bumps the actions group with 3 updates: [docker/build-push-action](https://github.com/docker/build-push-action), [actions/upload-artifact](https://github.com/actions/upload-artifact) and [actions/download-artifact](https://github.com/actions/download-artifact).


Updates `docker/build-push-action` from 6.18.0 to 6.19.2
- [Release notes](https://github.com/docker/build-push-action/releases)
- [Commits](https://github.com/docker/build-push-action/compare/v6.18.0...v6.19.2)

Updates `actions/upload-artifact` from 6 to 7
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](https://github.com/actions/upload-artifact/compare/v6...v7)

Updates `actions/download-artifact` from 7 to 8
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](https://github.com/actions/download-artifact/compare/v7...v8)

---
updated-dependencies:
- dependency-name: docker/build-push-action
  dependency-version: 6.19.2
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions
- dependency-name: actions/upload-artifact
  dependency-version: '7'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
- dependency-name: actions/download-artifact
  dependency-version: '8'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: actions
...

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

.github/workflows/ci-docker.yml

@@ -130,7 +130,7 @@ jobs:
             type=semver,pattern={{major}}.{{minor}}
       - name: Build and push by digest
         id: build
-        uses: docker/build-push-action@v6.18.0
+        uses: docker/build-push-action@v6.19.2
         with:
           context: .
           file: ./Dockerfile
@@ -152,7 +152,7 @@ jobs:
           touch "/tmp/digests/${digest#sha256:}"
       - name: Upload digest
         if: steps.check-push.outputs.should-push == 'true'
-        uses: actions/upload-artifact@v6.0.0
+        uses: actions/upload-artifact@v7
         with:
           name: digests-${{ matrix.arch }}
           path: /tmp/digests/*
@@ -168,7 +168,7 @@ jobs:
       packages: write
     steps:
       - name: Download digests
-        uses: actions/download-artifact@v7.0.0
+        uses: actions/download-artifact@v8
         with:
           path: /tmp/digests
           pattern: digests-*

.github/workflows/ci-release.yml

@@ -118,7 +118,7 @@ jobs:
           sudo chown -R 1000:1000 paperless-ngx/
           tar -cJf paperless-ngx.tar.xz paperless-ngx/
       - name: Upload release artifact
-        uses: actions/upload-artifact@v6
+        uses: actions/upload-artifact@v7
         with:
           name: release
           path: dist/paperless-ngx.tar.xz
@@ -133,7 +133,7 @@ jobs:
       version: ${{ steps.get-version.outputs.version }}
     steps:
       - name: Download release artifact
-        uses: actions/download-artifact@v7
+        uses: actions/download-artifact@v8
         with:
           name: release
           path: ./