[CI] Bump benchmarks framework (from SYCL repo)

Author: lukaszstolarczuk

.github/workflows/reusable_benchmarks.yml

@@ -130,9 +130,9 @@ jobs:
         repository: intel/llvm
         # Note: The same ref is used in docs build (for dashboard generation)!
         #
-        # 30.07.2025
+        # 13.05.2026
         # branch: sycl
-        ref: 8f54710553800eec05a6fd9717b14f995a22b137
+        ref: f91c0ebc56cf75aa0bdc68be46db6672d3f54173
         path: sc
         sparse-checkout: |
           devops/scripts/benchmarks

.github/workflows/reusable_docs_build.yml

@@ -53,9 +53,9 @@ jobs:
       uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       with:
         repository: intel/llvm
-        # 30.07.2025
+        # 13.05.2026
         # branch: sycl
-        ref: 8f54710553800eec05a6fd9717b14f995a22b137
+        ref: f91c0ebc56cf75aa0bdc68be46db6672d3f54173
         path: sc
         sparse-checkout: |
           devops/scripts/benchmarks