Let type-checker and unit-tests jobs depend on dependency-validation job

Author: sebastianbergmann

.github/workflows/ci.yml

@@ -62,6 +62,9 @@ jobs:
   type-checker:
     name: Type Checker
 
+    needs:
+      - dependency-validation
+
     runs-on: ubuntu-latest
 
     steps:
@@ -88,6 +91,9 @@ jobs:
   unit-tests:
     name: Unit Tests
 
+    needs:
+      - dependency-validation
+
     runs-on: ${{ matrix.os }}
 
     env: