use Julia 1.12 for benchmark CI

Author: ytdHuang

.github/workflows/Benchmarks.yml

@@ -37,7 +37,7 @@ jobs:
       - uses: actions/checkout@v5
       - uses: julia-actions/setup-julia@v2
         with:
-          version: '1.11'
+          version: '1'
           arch: x64
       - uses: julia-actions/cache@v2
       - name: Run benchmark