benchmark: update path

The path to the default CLI output has changed, update it.

Author: ethomson

.github/workflows/benchmark.yml

@@ -66,9 +66,9 @@ jobs:
     - name: Benchmark
       run: |
         if [[ "$(uname -s)" == MINGW* ]]; then
-          GIT2_CLI="$(cygpath -w $(pwd))\\build\\Release\\git2_cli"
+          GIT2_CLI="$(cygpath -w $(pwd))\\build\\Release\\git2"
         else
-          GIT2_CLI="$(pwd)/build/git2_cli"
+          GIT2_CLI="$(pwd)/build/git2"
         fi
 
         mkdir benchmark && cd benchmark