fix: improve Dockerfiles 2

.github/workflows/github-bot.yml

@@ -35,6 +35,10 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@c47758b77c9736f4b2ef4073d4d51994fabfe349 # v3.7.1
 
+      - name: Set build time
+        id: build_time
+        run: echo "value=$(date -u +%Y-%m-%dT%H:%M:%SZ)" >> "$GITHUB_OUTPUT"
+
       - name: Build and push
         uses: docker/build-push-action@48aba3b46d1b1fec4febb7c5d0c644b249a11355 # v6.10.0
         with:
@@ -47,6 +51,9 @@ jobs:
             ghcr.io/zkldi/tachi-ghbot:${{ github.sha }}
             ghcr.io/zkldi/tachi-ghbot:main
             ghcr.io/zkldi/tachi-ghbot:latest
+          build-args: |
+            COMMIT_HASH=${{ github.sha }}
+            BUILD_TIME=${{ steps.build_time.outputs.value }}
           cache-from: type=gha,scope=${{ github.ref_name }}-github-bot
           cache-to: type=gha,mode=max,scope=${{ github.ref_name }}-github-bot