Update codecov.yml

.github/workflows/codecov.yml

@@ -1,19 +1,28 @@
 name: Codecov
-on: [push, pull_request]
+
+on: 
+  workflow_dispatch:
+  push:
+  pull_request:
+
 jobs:
   run:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
         uses: actions/checkout@v4
+
       - name: Install dependencies
         run: mvn install -Pjre11 -DskipTests=true -Dmaven.javadoc.skip=true -B -V
+
       - name: Run tests
         env:
           connectionString: ${{ secrets.MSSQL_JDBC_TEST_CONNECTION_PROPERTIES }}
         run: mvn -Pjre11 -Dmssql_jdbc_test_connection_properties=$connectionString -DexcludedGroups=xAzureSQLDB,NTLM,xUnix,MSI,reqExternalSetup,clientCertAuth,fedAuth,kerberos,DTC -B test
+
       - name: Code coverage report
         run: mvn -Pjre11 jacoco:report
+
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v4-beta
         env: