Add CompatHelper to benchmarks folder

Author: penelopeysm

.github/workflows/CompatHelper.yml

@@ -14,4 +14,4 @@ jobs:
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           COMPATHELPER_PRIV: ${{ secrets.DOCUMENTER_KEY }}
-        run: julia -e 'using CompatHelper; CompatHelper.main(; subdirs = ["", "docs", "test"])'
+        run: julia -e 'using CompatHelper; CompatHelper.main(; subdirs = ["", "docs", "test", "benchmarks"])'