eslint + workflow formatting

- appropriate job names
- only trigger on pushes to master branch & PRs
- conform to formatting

.github/workflows/postgres-redis-ci.yml

@@ -1,9 +1,13 @@
 name: PostgreSQL + Redis CI
 
-on: [push, pull_request]
+on:
+  push:
+    branches:
+      - master
+  pull_request:
 
 jobs:
-  build:
+  test:
     name: Run Tests with PostgreSQL and Redis
     runs-on: ubuntu-latest