[MM-49530] Update prepackaged version of Apps Plugin to v1.2.0 (#22013)

Makefile

@@ -164,7 +164,7 @@ PLUGIN_PACKAGES += mattermost-plugin-todo-v0.6.1
 PLUGIN_PACKAGES += mattermost-plugin-welcomebot-v1.2.0
 PLUGIN_PACKAGES += mattermost-plugin-zoom-v1.6.0
 PLUGIN_PACKAGES += focalboard-v7.7.0
-PLUGIN_PACKAGES += mattermost-plugin-apps-v1.1.0
+PLUGIN_PACKAGES += mattermost-plugin-apps-v1.2.0
 
 # Prepares the enterprise build if exists. The IGNORE stuff is a hack to get the Makefile to execute the commands outside a target
 ifeq ($(BUILD_ENTERPRISE_READY),true)