[CI] Update sycl-zizmor.yml (intel#20565)

The workflow should only trigger on changes to the sycl branch, currently it triggers on changes to any branch. Also trigger on PRs.

Author: KornevNikita

.github/workflows/sycl-zizmor.yml

@@ -3,6 +3,8 @@ name: Zizmor
 on:
  workflow_dispatch:
  push:
+ branches:
+ - sycl
  # Although workflow files (.yml) should only be placed in the
  # .github/workflows directory, composite actions may be placed anywhere.
  # Here in intel/llvm composite actions are placed in the devops/actions
@@ -13,6 +15,12 @@ on:
  paths:
  - '.github/workflows/**/*.yml'
  - 'devops/actions/**/*.yml'
+ pull_request:
+ branches:
+ - sycl
+ paths:
+ - '.github/workflows/**/*.yml'
+ - 'devops/actions/**/*.yml'
 
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