prep for release [skip ci]

Author: mmoayyed

.github/workflows/analysis.yml

@@ -22,12 +22,12 @@ on:
   workflow_dispatch:
   push:
     branches:
-      - master
+      - 7.3.x
       - '!**.**.**'
       - '!heroku-*'
   pull_request:
     types: [ labeled, assigned ]
-    branches: [ master, pr-* ]
+    branches: [ 7.3.x, pr-* ]
 
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.github/workflows/build.yml

@@ -40,13 +40,13 @@ on:
     - cron: '0 18 * * *'
   push:
     branches:
-      - master
+      - 7.3.x
       - '!**.**.**'
       - '!heroku-*'
   pull_request:
     types: [ labeled ]
     branches:
-      - master
+      - 7.3.x
       - 'pr-*'
       - '!**.**.**'