CI: add web unit tests to macOS job

Author: gamesh411

.github/workflows/test.yml

@@ -150,6 +150,15 @@ jobs:
         working-directory: analyzer
         run: make test_unit
 
+      - name: Install web dependencies
+        run: |
+          brew install openldap
+          pip3 install -r web/requirements_py/auth/requirements.txt
+
+      - name: Run web unit tests
+        working-directory: web
+        run: make test_unit
+
   web:
     name: Web
     runs-on: ubuntu-24.04