ci: retry yarn install on canaries (#1777)

* Retry yarn install on canaries

* [Revert] Try out the workflow prior to merge

* Revert "[Revert] Try out the workflow prior to merge"

This reverts commit 8d1be0e.

Author: wlee221

.github/workflows/run-and-test-builds.yml

@@ -33,7 +33,7 @@ jobs:
       - name: Ignore monorepo postcss.config.js
         run: mv postcss.config.js _postcss.config.js
       - name: Install packages
-        run: yarn install --no-lockfile
+        run: for n in {1..3}; do yarn install --no-lockfile && break || sleep 5; done
         working-directory: ./canary/apps/${{ matrix.path }}
       - name: Add Amplify CLI
         run: yarn global add @aws-amplify/cli
@@ -57,7 +57,7 @@ jobs:
         run: yarn build
         working-directory: ./canary/apps/${{ matrix.path }}
       - name: Install cypress
-        run: yarn install
+        run: for n in {1..3}; do yarn install --no-lockfile && break || sleep 5; done
         working-directory: ./canary/e2e
       - name: Start ${{ matrix.example }} example
         run: yarn start & npx wait-on -c waitOnConfig.json -t 20000 http-get://localhost:3000