ci: inject VERSION/COMMIT build-args into all docker build steps

All four workflows (ci-scraper, ci-ui, release-scraper, release-ui) now pass
build-args to docker/build-push-action. Release workflows use the semver tag
from docker/metadata-action outputs.version; CI workflows use the git SHA.

.gitea/workflows/ci-scraper.yaml

@@ -74,3 +74,6 @@ jobs:
           tags: |
             ${{ secrets.DOCKER_USER }}/libnovel-scraper:latest
             ${{ secrets.DOCKER_USER }}/libnovel-scraper:${{ gitea.sha }}
+          build-args: |
+            VERSION=${{ gitea.sha }}
+            COMMIT=${{ gitea.sha }}

.gitea/workflows/ci-ui.yaml

@@ -65,3 +65,6 @@ jobs:
           tags: |
             ${{ secrets.DOCKER_USER }}/libnovel-ui:latest
             ${{ secrets.DOCKER_USER }}/libnovel-ui:${{ gitea.sha }}
+          build-args: |
+            BUILD_VERSION=${{ gitea.sha }}
+            BUILD_COMMIT=${{ gitea.sha }}

.gitea/workflows/release-scraper.yaml

@@ -63,3 +63,6 @@ jobs:
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
+          build-args: |
+            VERSION=${{ steps.meta.outputs.version }}
+            COMMIT=${{ gitea.sha }}

.gitea/workflows/release-ui.yaml

@@ -66,3 +66,6 @@ jobs:
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
+          build-args: |
+            BUILD_VERSION=${{ steps.meta.outputs.version }}
+            BUILD_COMMIT=${{ gitea.sha }}