Replace secret-based openGauss password with hardcoded value in CI workflow

Author: pangpang20

.github/workflows/ci.yml

@@ -22,8 +22,8 @@ jobs:
           - 5432:5432
         env:
           GS_USERNAME: root
-          GS_USER_PASSWORD: ${{ secrets.OPENGAUSS_PASSWORD }}
-          GS_PASSWORD: ${{ secrets.OPENGAUSS_PASSWORD }}
+          GS_USER_PASSWORD: Passwd@123
+          GS_PASSWORD: Passwd@123
         options: >-
           --privileged=true
           --name opengauss-custom
@@ -69,7 +69,7 @@ jobs:
           
       - name: Wait for openGauss to be ready
         env:
-          GSQL_PASSWORD: ${{ secrets.OPENGAUSS_PASSWORD }}
+          GSQL_PASSWORD: Passwd@123
         run: |
           source venv/bin/activate
           for i in {1..30}; do
@@ -93,7 +93,7 @@ jobs:
         env:
           PYTHONPATH: ./gaussdb:./gaussdb_pool
           GAUSSDB_IMPL: python
-          GAUSSDB_TEST_DSN: "host=127.0.0.1 port=5432 dbname=test user=root password=${{ secrets.OPENGAUSS_PASSWORD }} "
+          GAUSSDB_TEST_DSN: "host=127.0.0.1 port=5432 dbname=test user=root password=Passwd@123 "
         run: |
           source venv/bin/activate
           pytest -s -v