Move yarn to berry first before moving to 3.x

.github/workflows/run-javascript-tests.yml

@@ -22,12 +22,17 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/setup-node@v3
+        with:
+          node-version: '18.x'
 
       - name: Upgrade yarn
         run: |
+          yarn set version berry
           yarn set version 3
 
+      - uses: actions/checkout@v3
+
       - name: Install Node modules
         run: |
           cd web

Dockerfile

@@ -46,6 +46,7 @@ WORKDIR /pgadmin4/web
 
 # Build the JS vendor code in the app-builder, and then remove the vendor source.
 RUN export CPPFLAGS="-DPNG_ARM_NEON_OPT=0" && \
+    yarn set version berry && \
     yarn set version 3 && \
     yarn install && \
     yarn run bundle && \