ci: enable git longpaths in Windows

With this change we enable git longpaths in Windows as otherwise `git clean -dxf` fails with `filename too long` error.

Author: alan-agius4

.circleci/config.yml

@@ -88,6 +88,7 @@ commands:
       - run: npm install -g yarn@1.22.10
       - run: node --version
       - run: yarn --version
+      - run: git config --global core.longpaths true
 
   setup_bazel_rbe:
     parameters: