Use environment variables again.

.github/workflows/main.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Set up Node.js
         uses: actions/setup-node@v3
         with:
-          node-version: '20.10.0'
+          node-version: '18.18.0'
 
       - name: Install modules
         run: npm install
@@ -36,10 +36,12 @@ jobs:
           sudo mysql -h 127.0.0.1 -uroot -proot < setup.sql
 
       - name: Test
+        # This is just the default settings for GH Actions MySQL
+        # Nothing secret here aside from the hashed API key
         env:
-          TEST_DB_HOSTNAME: ${{ secrets.TEST_DB_HOSTNAME }}
-          TEST_DB_USERNAME: ${{ secrets.TEST_DB_USERNAME }}
-          TEST_DB_PASSWORD: ${{ secrets.TEST_DB_PASSWORD }}
+          DB_TEST_HOSTNAME: 127.0.0.1
+          DB_TEST_USERNAME: root
+          DB_TEST_PASSWORD: root
           HASHED_API_KEY: ${{ secrets.HASHED_API_KEY }}
         run: npm run test