chore: bump openclaw version to 2026.3.23-2

Author: fsqinghuayu

Dockerfile

@@ -12,7 +12,7 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
   && curl -fsSL https://deb.nodesource.com/setup_22.x | bash - \
   && apt-get install -y --no-install-recommends nodejs \
   && npm install -g @anthropic-ai/claude-code@latest \
-  && npm install -g openclaw@latest \
+  && npm install -g openclaw@2026.3.23-2 \
   && npm install -g clawhub@latest \
   && npm install -g @playwright/cli@latest \
   && apt-get clean \