fix: cache restore handling microbit (output of restore script)

Author: georgyangelov

.github/actions/install-dependencies/action.yml

@@ -32,6 +32,7 @@ runs:
           node_modules
           packages/*/node_modules
           packages/*/src/generated
+          packages/scratch-gui/static/microbit
         key: ${{ runner.os }}-npm-${{ hashFiles('package-lock.json') }}
     - if: steps.restore-node-modules-cache.outputs.cache-hit != 'true'
       name: Install NPM dependencies
@@ -45,4 +46,5 @@ runs:
           node_modules
           packages/*/node_modules
           packages/*/src/generated
+          packages/scratch-gui/static/microbit
         key: ${{ runner.os }}-npm-${{ hashFiles('package-lock.json') }}