[CI] Update SYCL version in our workflows

Author: lukaszstolarczuk

.github/workflows/reusable_benchmarks.yml

@@ -126,9 +126,9 @@ jobs:
         repository: intel/llvm
         # Note: The same ref is used in docs build (for dashboard generation)!
         #
-        # 11.07.2025
+        # 22.07.2025
         # branch: sycl
-        ref: b68f49e0a03fb63de5a3e207f0f65247964d337b
+        ref: 643abde9325707432feb4bfaa71e0e69d0b4c125
         path: sc
         sparse-checkout: |
           devops/scripts/benchmarks

.github/workflows/reusable_docs_build.yml

@@ -53,9 +53,9 @@ jobs:
       uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       with:
         repository: intel/llvm
-        # 11.07.2025
+        # 22.07.2025
         # branch: sycl
-        ref: b68f49e0a03fb63de5a3e207f0f65247964d337b
+        ref: 643abde9325707432feb4bfaa71e0e69d0b4c125
         path: sc
         sparse-checkout: |
           devops/scripts/benchmarks

.github/workflows/reusable_sycl.yml

@@ -17,7 +17,7 @@ jobs:
 
     strategy:
       matrix:
-        llvm_tag: ["latest", "nightly-2025-07-09"] # "latest" or llvm with UMF v1.0.0-rc1
+        llvm_tag: ["latest", "nightly-2025-07-18"] # "latest" or llvm with UMF v1.0.0-rc2
 
     steps:
     # 1. Install sycl