ci: source cpprc before building

Author: aminya

.github/workflows/CI.yml

@@ -190,6 +190,7 @@ jobs:
             ${{ steps.read-installer-script.outputs.install_deps }}
 
           run: |
+            test -f $HOME/.cpprc && . $HOME/.cpprc && \
             pnpm install && \
             pnpm run build