ci: rename tests workflow

Author: kelly-sovacool

.github/workflows/test.yml .github/workflows/tests.yml.github/workflows/test.yml renamed to .github/workflows/tests.yml

@@ -1,4 +1,4 @@
-name: test
+name: tests
 
 on:
   push:
@@ -7,10 +7,10 @@ on:
     branches: [ main, dev ]
 
 jobs:
-  test:
+  tests:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v6
 
       - name: Parse environment.json and set Docker image
         id: docker_image