feat: add BuildInfo component to display build time and update Docker workflow to pass build time as environment variable

.github/workflows/docker-build.yml

@@ -36,6 +36,10 @@ jobs:
             type=ref,event=branch
             type=raw,value=latest,enable={{is_default_branch}}
 
+      - name: Get build time
+        id: buildtime
+        run: echo "BUILD_TIME=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> $GITHUB_OUTPUT
+
       - name: Build and push Docker image
         uses: docker/build-push-action@v7
         with:
@@ -43,5 +47,7 @@ jobs:
           push: true
           tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}
+          build-args: |
+            BUILD_TIME=${{ steps.buildtime.outputs.BUILD_TIME }}
           cache-from: type=registry,ref=ghcr.io/${{ github.repository }}:buildcache
           cache-to: type=registry,ref=ghcr.io/${{ github.repository }}:buildcache,mode=max