fix: align devtools workflow with main branch

- Remove Warm Nx Cache step
- Keep Run Affected Build with --skip-nx-cache flag
- Maintain all other cache configurations

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: ScriptedAlchemy

.github/workflows/devtools.yml

@@ -52,11 +52,8 @@ jobs:
       - name: Install Cypress
         run: npx cypress install
 
-      - name: Warm Nx Cache
-        run: npx nx run-many --targets=build --projects=tag:type:pkg --parallel=1
-
       - name: Run Affected Build
-        run: npx nx run-many --targets=build --projects=tag:type:pkg --parallel=1 --skip-nx-cache
+        run: npx nx run-many --targets=build --projects=tag:type:pkg --skip-nx-cache
 
       - name: Configuration xvfb
         shell: bash