ci: update docs-builder

Signed-off-by: Cilium Imagebot <[email protected]>

.github/workflows/documentation.yaml

@@ -64,7 +64,7 @@ jobs:
           # Needed to detect missing redirects
           fetch-depth: 0
       - name: Build HTML
-        uses: docker://quay.io/cilium/docs-builder:ea8511e4d2b39d2ef7a4c71edbe6eddb19e8bb5c@sha256:3a04bb23e017dfb229c0139a3ff7208a6d4ec3944bc24b8441c73ed7d70d781f
+        uses: docker://quay.io/cilium/docs-builder:7ca68722994a8fb0bf5778d3d13b2f29cd8472c8@sha256:94947b159622d7bcd280ce72a9df79575b09b3930b14051c6af948b0ffc5bab6
         with:
           entrypoint: ./Documentation/check-build.sh
           args: html