Update benchmark.yml

Author: theogf

.github/workflows/benchmark.yml

@@ -19,7 +19,7 @@ jobs:
       - uses: actions/checkout@v2
       - uses: julia-actions/setup-julia@latest
         with:
-          version: '1.6'
+          version: '1.7'
       - uses: julia-actions/julia-buildpkg@latest
       - name: install dependencies
         run: julia -e 'using Pkg; pkg"add PkgBenchmark [email protected]"'