update cygwin build config

Author: jingjingxyk

.github/workflows/windows-cygwin.yml

@@ -95,7 +95,7 @@ jobs:
       - name: Prepare
         shell: C:\cygwin\bin\bash.EXE --noprofile --norc -e -o pipefail -o igncr   {0}
         run: |
-          bash ./sapi/scripts/cygwin/cygwin-config-ext.sh --php-version ${{ env.BUILD_PHP_VERSION }} --swoole-version master
+          bash ./sapi/scripts/cygwin/cygwin-config-ext.sh --php-version ${{ env.BUILD_PHP_VERSION }}
 
       - name: Configure
         shell: C:\cygwin\bin\bash.EXE --noprofile --norc -e -o pipefail -o igncr   {0}