update prepackage board version to 0.8.2 (#18071)

Co-authored-by: Mattermod <mattermod@users.noreply.github.com>

Makefile

@@ -120,7 +120,7 @@ PLUGIN_PACKAGES += mattermost-plugin-jira-v2.4.0
 PLUGIN_PACKAGES += mattermost-plugin-nps-v1.1.0
 PLUGIN_PACKAGES += mattermost-plugin-welcomebot-v1.2.0
 PLUGIN_PACKAGES += mattermost-plugin-zoom-v1.5.0
-PLUGIN_PACKAGES += focalboard-v0.7.3
+PLUGIN_PACKAGES += focalboard-v0.8.2
 
 # 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)