chore: increase timeout

While testing a pre-release, there seems to be a bug with the file
permissions for `product.json`. Adding `chmod +x` to see if that fixes
it.

.github/workflows/build.yaml

@@ -296,7 +296,7 @@ jobs:
     name: Run e2e tests
     needs: build
     runs-on: ubuntu-latest
-    timeout-minutes: 15
+    timeout-minutes: 25
     steps:
       - name: Checkout repo
         uses: actions/checkout@v3

ci/build/build-vscode.sh

@@ -42,6 +42,12 @@ main() {
 
   pushd lib/vscode
 
+  if [[ ! ${VERSION-} ]]; then
+    echo "VERSION not set. Please set before running this script:"
+    echo "VERSION='0.0.0' yarn build:vscode"
+    exit 1
+  fi
+
   # Set the commit Code will embed into the product.json.  We need to do this
   # since Code tries to get the commit from the `.git` directory which will fail
   # as it is a submodule.
@@ -90,6 +96,8 @@ main() {
 EOF
   ) > product.json
 
+  chmod +x product.json
+
   # Any platform here works since we will do our own packaging.  We have to do
   # this because we have an NPM package that could be installed on any platform.
   # The correct platform dependencies and scripts will be installed as part of