Upgrade benchmark PR cache/setup-julia actions

Author: Frankie Robertson

.github/workflows/benchmark_pr.yml

@@ -14,10 +14,10 @@ jobs:
 
         steps:
             - uses: actions/checkout@v2
-            - uses: julia-actions/setup-julia@v1
+            - uses: julia-actions/setup-julia@v2
               with:
                 version: "1.11"
-            - uses: julia-actions/cache@v1
+            - uses: julia-actions/cache@v2
             - name: Extract Package Name from Project.toml
               id: extract-package-name
               run: |