[skip ci] Properly disable -Werror for libmysqlclient + mysqli

Author: iluuu1994

.github/workflows/nightly.yml

@@ -806,7 +806,7 @@ jobs:
       - name: Build mysql-8.0
         uses: ./.github/actions/build-libmysqlclient
         with:
-          configurationParameters: --enable-werror
+          configurationParameters: ${{ !inputs.libmysqlclient_with_mysqli && '--enable-werror' || '' }}
           libmysql: mysql-8.0.37-linux-glibc2.28-x86_64.tar.xz
           withMysqli: ${{ inputs.libmysqlclient_with_mysqli }}
       - name: Test mysql-8.0
@@ -816,7 +816,7 @@ jobs:
       - name: Build mysql-8.4
         uses: ./.github/actions/build-libmysqlclient
         with:
-          configurationParameters: --enable-werror
+          configurationParameters: ${{ !inputs.libmysqlclient_with_mysqli && '--enable-werror' || '' }}
           libmysql: mysql-8.4.0-linux-glibc2.28-x86_64.tar.xz
           withMysqli: ${{ inputs.libmysqlclient_with_mysqli }}
       - name: Test mysql-8.4