ci: install expo_example dependencies

Author: d3ce1t

.github/actions/setup/action.yml

@@ -16,14 +16,16 @@ runs:
         path: |
           **/node_modules
           .yarn/install-state.gz
-        key: ${{ runner.os }}-yarn-${{ hashFiles('yarn.lock') }}-${{ hashFiles('**/package.json', '!node_modules/**') }}
+        key: ${{ runner.os }}-yarn-${{ hashFiles('yarn.lock', 'expo_example/package-lock.json') }}-${{ hashFiles('**/package.json', '!node_modules/**') }}
         restore-keys: |
-          ${{ runner.os }}-yarn-${{ hashFiles('yarn.lock') }}
+          ${{ runner.os }}-yarn-${{ hashFiles('yarn.lock', 'expo_example/package-lock.json') }}
           ${{ runner.os }}-yarn-
 
     - name: Install dependencies
       if: steps.yarn-cache.outputs.cache-hit != 'true'
-      run: yarn install --immutable
+      run: |
+        yarn install --immutable
+        cd expo_example && npm ci
       shell: bash
 
     - name: Cache dependencies