Update gh action for master/matrix

Author: enen92

.github/workflows/addon-check.yml

@@ -13,4 +13,4 @@ jobs:
       id: kodi-addon-checker
       uses: xbmc/action-kodi-addon-checker@v1.0
       with:
-        kodi-version: krypton
+        kodi-version: matrix

.github/workflows/addon-submitter.yml

@@ -17,7 +17,7 @@ jobs:
       uses: xbmc/action-kodi-addon-submitter@v1.0
       with: # Replace all the below values
         kodi-repository: repo-plugins
-        kodi-version: krypton
+        kodi-version: matrix
         addon-id: plugin.library.node.editor
       env: # Make sure you create the below secrets (GH_TOKEN and EMAIL)
         GH_USERNAME: enenbot