[Noetic] google_chat_ros fails to build: Missing actionlib_msgs dependency

[sloretz]

The package google_chat_ros is failing to build on all platforms. It looks like it might be missing a dependency on actionlib_msgs in it's package.xml.

• https://build.ros.org/job/Nbin_uF64__google_chat_ros__ubuntu_focal_amd64__binary/33/consoleFull
• https://build.ros.org/job/Nbin_ufhf_uFhf__google_chat_ros__ubuntu_focal_armhf__binary/
• https://build.ros.org/job/Nbin_ufv8_uFv8__google_chat_ros__ubuntu_focal_arm64__binary/

23:02:48 CMake Error at /opt/ros/noetic/share/catkin/cmake/catkinConfig.cmake:83 (find_package):
23:02:48   Could not find a package configuration file provided by "actionlib_msgs"
23:02:48   with any of the following names:
23:02:48 
23:02:48     actionlib_msgsConfig.cmake
23:02:48     actionlib_msgs-config.cmake
23:02:48 
23:02:48   Add the installation prefix of "actionlib_msgs" to CMAKE_PREFIX_PATH or set
23:02:48   "actionlib_msgs_DIR" to a directory containing one of the above files.  If
23:02:48   "actionlib_msgs" provides a separate development package or SDK, be sure it
23:02:48   has been installed.
23:02:48 Call Stack (most recent call first):
23:02:48   CMakeLists.txt:4 (find_package)