fix(amqp extension): hard-code the version for PHP 8.0

The version could be hard-coded in the Dockerfile due to no ability to build workspace image w/o problems from scratch for different PHP versions.

Closes #2871

workspace/Dockerfile

@@ -503,8 +503,12 @@ RUN if [ ${INSTALL_MONGO} = true ]; then \
 ARG INSTALL_AMQP=false
 
 RUN if [ ${INSTALL_AMQP} = true ]; then \
-    apt-get install librabbitmq-dev -y && \
-    pecl -q install amqp && \
+    apt-get install -yqq librabbitmq-dev && \
+    if [ $(php -r "echo PHP_MAJOR_VERSION;") = "8" ]; then \
+      printf "\n" | pecl install amqp-1.11.0beta; \
+    else \
+      printf "\n" | pecl install amqp; \
+    fi && \
     echo "extension=amqp.so" >> /etc/php/${LARADOCK_PHP_VERSION}/mods-available/amqp.ini && \
     ln -s /etc/php/${LARADOCK_PHP_VERSION}/mods-available/amqp.ini /etc/php/${LARADOCK_PHP_VERSION}/cli/conf.d/30-amqp.ini \
 ;fi