[DEVOPS] Fix wrong PHP extension path

Author: deviantintegral

.circleci/config.yml

@@ -82,7 +82,7 @@ test_and_cover: &test_and_cover
       - run: composer update -n --prefer-dist
 
       - run: |
-          [ -f /usr/local/lib/php/extensions/no-debug-non-zts-20180731/xdebug.so ] || pecl install xdebug
+          [ -f /usr/local/lib/php/extensions/no-debug-non-zts-20200930/xdebug.so ] || pecl install xdebug
           echo 'zend_extension=/usr/local/lib/php/extensions/no-debug-non-zts-20200930/xdebug.so' > /usr/local/etc/php/conf.d/xdebug.ini
           echo 'xdebug.mode="coverage"' >> /usr/local/etc/php/conf.d/xdebug.ini