Specialize release branches

Author: Maxim-Doronin

.github/workflows/linux-precommit.yml

@@ -7,11 +7,13 @@ on:
   push:
     branches:
       - npu/main
-      - npu/release/**
+      - npu/release/20.x
+      - npu/release/21.x
   pull_request:
     branches:
       - npu/main
-      - npu/release/**
+      - npu/release/20.x
+      - npu/release/21.x
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}

.github/workflows/pr-code-format.yml

@@ -7,7 +7,8 @@ on:
   pull_request:
     branches:
       - npu/main
-      - npu/release/**
+      - npu/release/20.x
+      - npu/release/21.x
 
 jobs:
   code_formatter:

.github/workflows/pr-code-lint.yml

@@ -7,7 +7,8 @@ on:
   pull_request:
     branches:
       - npu/main
-      - npu/release/**
+      - npu/release/20.x
+      - npu/release/21.x
 
 jobs:
   code_linter: