chore(deps): bump actions/download-artifact from 4 to 5 (codeigniter4#9663)

Author: dependabot[bot]

.github/workflows/reusable-coveralls.yml

@@ -30,7 +30,7 @@ jobs:
           coverage: xdebug
 
       - name: Download coverage files
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v5
         with:
           path: build/cov
 

.github/workflows/reusable-phpunit-test.yml

@@ -206,7 +206,7 @@ jobs:
       - name: Run tests
         run: script -e -c "vendor/bin/phpunit --color=always ${{ env.EXTRA_PHPUNIT_OPTIONS }}"
         env:
-          DB: ${{ inputs.db-platform }}
+          # DB: ${{ inputs.db-platform }}
           TACHYCARDIA_MONITOR_GA: ${{ inputs.enable-profiling && 'enabled' || '' }}
           TERM: xterm-256color