Update to modern codecov sending action with token

Author: iMattPro

.github/workflows/tests.yml

@@ -25,6 +25,10 @@ on:
       PHPBB_BRANCH:
         required: true
         type: string
+    secrets:
+      CODECOV_TOKEN:
+        required: false
+        description: ''
 
 env:
     EXTNAME: ${{ inputs.EXTNAME }}
@@ -243,9 +247,9 @@ jobs:
 
             - name: Send code coverage
               if: ${{ matrix.COVERAGE == 1 && env.CODECOV == '1' }}
-              uses: codecov/codecov-action@v3
+              uses: codecov/codecov-action@v5
               with:
-                  files: ./phpBB3/build/logs/clover.xml
+                  token: ${{ secrets.CODECOV_TOKEN }}
     # END MySQL and MariaDB Job
 
     # START PostgreSQL Job