chore: combine test coverage for core tests

.github/workflows/core-integration-test.yml

@@ -9,9 +9,10 @@ on:
       core_cache_path:
         required: true
         type: string
-    secrets:
-      CODECOV_TOKEN:
-        required: true
+    outputs:
+      integration_test_report:
+        value: ${{ steps.cache.outputs.cache-hit != 'true' }}
+        type: boolean
 
 jobs:
   postgres:
@@ -74,6 +75,12 @@ jobs:
         env:
           ZITADEL_MASTERKEY: MasterkeyNeedsToHave32Characters
         run: make core_integration_test
+      -
+        uses: actions/upload-artifact@v4
+        if: ${{ steps.cache.outputs.cache-hit != 'true' }}
+        with:
+          name: integration-coverage
+          path: tmp/coverage/integration
       -
         name: upload server logs
         if: always()
@@ -83,14 +90,6 @@ jobs:
           path: |
            tmp/zitadel.log
            tmp/race.log.*
-      - 
-        name: publish coverage
-        uses: codecov/codecov-action@v4.3.0
-        with:
-          file: profile.cov
-          name: core-integration-tests-postgres
-          flags: core-integration-tests-postgres
-          token: ${{ secrets.CODECOV_TOKEN }}
       - 
         uses: actions/cache/save@v4
         name: cache results