Re-enable codeflash optimizations (#2891)

.github/workflows/codeflash.yaml

@@ -12,8 +12,7 @@ concurrency:
 jobs:
   optimize:
     name: Optimize new Python code in this PR
-    # Disable the workflow by adding a condition that will never be true
-    if: false
+    if: ${{ github.actor != 'codeflash-ai[bot]' }}
     runs-on: ubuntu-latest
     env:
       CODEFLASH_API_KEY: ${{ secrets.CODEFLASH_API_KEY }}