Merge branch '953-mattermost-support-for-tolerations' into 'master'

Resolve "Mattermost Support for Tolerations"

Closes platform-one/big-bang/apps/collaboration-tools/mattermost#13 and #953

See merge request platform-one/big-bang/bigbang!1143

chart/values.yaml

@@ -1025,7 +1025,7 @@ addons:
     git:
       repo: https://repo1.dso.mil/platform-one/big-bang/apps/collaboration-tools/mattermost.git
       path: "./chart"
-      tag: "0.2.4-bb.0"
+      tag: "0.3.0-bb.0"
 
     # -- Flux reconciliation overrides specifically for the Mattermost Package
     flux: {}