Update clang-tidy-review.yml

Author: mcbarton

.github/workflows/clang-tidy-review.yml

@@ -44,7 +44,7 @@ jobs:
             set -x && 
             wget https://github.com/mamba-org/micromamba-releases/releases/download/1.5.10-0/micromamba-linux-64 && 
             mv ./micromamba-linux-64 ./micromamba && 
-            export PATH="$PWD:$PATH" && 
+            export PATH='$PWD:$PATH' && 
             chmod a+x ./micromamba && 
             eval "$(micromamba shell hook -s posix) && 
             micromamba create -n xeus-cpp -y --log-level warning -f $GITHUB_WORKSPACE/environment-dev.yml &&