Issue #3404084: add pcov and xdebug (8.1)

php/8.1-apache/Dockerfile

@@ -205,8 +205,8 @@ RUN set -xe \
 
 COPY docker-php-ext-* docker-php-entrypoint /usr/local/bin/
 
-# install pecl extensions for apcu, xdebug, and yaml
-RUN docker-php-ext-pecl-install APCu-5.1.23 yaml-2.2.3 \
+# install pecl extensions for apcu, pcov, xdebug, and yaml
+RUN docker-php-ext-pecl-install APCu-5.1.23 pcov-1.0.11 xdebug-3.3.2 yaml-2.2.3 \
     && apt-get update \
     && apt-get install -y default-mysql-client postgresql-client sudo git sqlite3/buster --allow-downgrades --no-install-recommends \
     && rm -rf /var/lib/apt/lists/*