Module install optimization

- Do not install modules during the cache population step if there is a cache hit (also skips installing if there is a cache hit)
- Populate or verify the module cache before allowing any other step to proceed

.github/workflows/ci.yml

@@ -27,7 +27,16 @@ env:
   AWS_REGION: us-east-2
 
 jobs:
+  install-deps:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ./.github/actions/configure-nodejs
+        with:
+          lookup-only: 'true' # We only want to lookup from the cache - if a hit, this job does nothing
+
   build:
+    needs: [install-deps]
     runs-on: ubuntu-latest
     outputs:
       prSuffix: ${{ steps.prSuffix.outputs.prSuffix }}
@@ -578,6 +587,7 @@ jobs:
 
   build-jsii:
     # if: github.event_name != 'pull_request' || (github.event_name == 'pull_request' && contains( github.event.pull_request.labels.*.name, 'BUILD-JSII')) || (github.event_name == 'pull_request' && github.actor == 'dependabot[bot]')
+    needs: [install-deps]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4

.github/workflows/main-build.yml

@@ -16,8 +16,17 @@ on:
   #     - main
 
 jobs:
+  install-deps:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ./.github/actions/configure-nodejs
+        with:
+          lookup-only: 'true' # We only want to lookup from the cache - if a hit, this job does nothing
+
   build:
     name: Build CDK Construct
+    needs: [install-deps]
     runs-on: ubuntu-latest
     permissions:
       contents: write

.github/workflows/release.yml

@@ -8,11 +8,20 @@ on:
   release:
     types: [published]
 jobs:
+  install-deps:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: ./.github/actions/configure-nodejs
+        with:
+          lookup-only: 'true' # We only want to lookup from the cache - if a hit, this job does nothing
+
   #
   # CDK Construct
   #
   release:
     name: Build CDK Construct
+    needs: [install-deps]
     runs-on: ubuntu-latest
     permissions:
       contents: write