[CI] Trigger slow build on push to master or release branch.

Author: vyazelenko

.github/workflows/ci.yml

@@ -6,6 +6,7 @@ on:
   push:
     branches:
       - master
+      - 'release/**'
   pull_request:
     types: [opened, synchronize]
     branches:

.github/workflows/slow.yml

@@ -7,6 +7,10 @@ on:
       - '**'
   schedule:
     - cron: '0 12 * * *'
+  push:
+    branches:
+      - master
+      - 'release/**'
   pull_request:
     types: [opened, synchronize]
     branches: