[CI] Replace build_ref in sycl-windows-build (intel#16642)

intel#16621 (comment)

Author: KornevNikita

.github/workflows/sycl-windows-build.yml

@@ -7,9 +7,6 @@ on:
         type: string
         required: false
         default: "default"
-      build_ref:
-        type: string
-        required: false
       build_configure_extra_args:
         type: string
         required: false
@@ -18,6 +15,9 @@ on:
         description: 'Filter matches for the changed files in the PR'
         default: '[llvm, clang, sycl, llvm_spirv, xptifw, libclc, libdevice]'
         required: false
+      ref:
+        type: string
+        required: False
       merge_ref:
         description: |
           Commit-ish to merge post-checkout if non-empty. Must be reachable from
@@ -105,7 +105,7 @@ jobs:
     - uses: ./devops/actions/cached_checkout
       with:
         path: src
-        ref: ${{ inputs.build_ref || github.sha }}
+        ref: ${{ inputs.ref || github.sha }}
         merge_ref: ${{ inputs.merge_ref }}
         cache_path: "D:\\\\github\\\\_work\\\\repo_cache\\\\"
     - name: Configure