Ensure build jobs depend on the diagnostics job

This ensures consistent and expected behavior without relying on a
chained dependency in the `needs` declarations.

Author: mcdonnnj

.github/workflows/build.yml

@@ -170,7 +170,9 @@ jobs:
         if: env.RUN_TMATE
   test:
     runs-on: ubuntu-latest
-    needs: lint
+    needs:
+      - diagnostics
+      - lint
     steps:
       - id: harden-runner
         name: Harden the runner
@@ -210,6 +212,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     needs:
+      - diagnostics
       - lint
       - test
     strategy: