improvement(ci): add sticky disk caches and bump runner for faster builds

Author: waleedlatif1

.github/workflows/ci.yml

@@ -8,7 +8,7 @@ on:
 
 concurrency:
   group: ci-${{ github.ref }}
-  cancel-in-progress: false
+  cancel-in-progress: ${{ github.event_name == 'pull_request' }}
 
 permissions:
   contents: read

.github/workflows/test-build.yml

@@ -10,7 +10,7 @@ permissions:
 jobs:
   test-build:
     name: Test and Build
-    runs-on: blacksmith-4vcpu-ubuntu-2404
+    runs-on: blacksmith-8vcpu-ubuntu-2404
 
     steps:
       - name: Checkout code
@@ -38,6 +38,23 @@ jobs:
           key: ${{ github.repository }}-node-modules
           path: ./node_modules
 
+      - name: Mount Turbo cache (Sticky Disk)
+        uses: useblacksmith/stickydisk@v1
+        with:
+          key: ${{ github.repository }}-turbo-cache
+          path: /tmp/turbo-cache
+
+      - name: Link Turbo cache into node_modules
+        run: mkdir -p ./node_modules/.cache && ln -sf /tmp/turbo-cache ./node_modules/.cache/turbo
+
+      - name: Restore Next.js build cache
+        uses: actions/cache@v4
+        with:
+          path: ./apps/sim/.next/cache
+          key: ${{ runner.os }}-nextjs-${{ hashFiles('bun.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-nextjs-
+
       - name: Install dependencies
         run: bun install --frozen-lockfile