Revert "chores: comment out vestigal testinfra-ami-build"

This reverts commit 5079b9d.

Author: yvan-sraka

.github/workflows/nix-build.yml

@@ -11,7 +11,7 @@ on:
 permissions:
   id-token: write
   # required by testinfra-ami-build dependent workflows
-  # contents: write
+  contents: write
   packages: write
 
 jobs:
@@ -119,12 +119,12 @@ jobs:
           AWS_SECRET_ACCESS_KEY: ${{ env.AWS_SECRET_ACCESS_KEY }}
           AWS_SESSION_TOKEN: ${{ env.AWS_SESSION_TOKEN }}
 
-  # run-testinfra:
-  #   needs: build-run-image
-  #   if: ${{ success() }}
-  #   uses: ./.github/workflows/testinfra-ami-build.yml
-  #   secrets:
-  #     DEV_AWS_ROLE: ${{ secrets.DEV_AWS_ROLE }}
+  run-testinfra:
+    needs: build-run-image
+    if: ${{ success() }}
+    uses: ./.github/workflows/testinfra-ami-build.yml
+    secrets:
+      DEV_AWS_ROLE: ${{ secrets.DEV_AWS_ROLE }}
 
   run-tests:
     needs: build-run-image