fixup workflows

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

.github/workflows/build.yml

@@ -3,6 +3,7 @@ on:
   push:
     branches:
     - master
+    - v3
 jobs:
   test:
     name: test

.github/workflows/codeql-analysis.yml

@@ -17,10 +17,10 @@ on:
     types:
       - completed
   push:
-    branches: [ master ]
+    branches: [ master, v3 ]
   pull_request:
     # The branches below must be a subset of the branches above
-    branches: [ master ]
+    branches: [ master, v3 ]
   schedule:
     - cron: '34 1 * * 0'
 

.github/workflows/pr.yml

@@ -3,6 +3,7 @@ on:
   pull_request:
     branches:
     - master
+    - v3
 jobs:
   test:
     name: test