chore(ci): use git 2.x on RHEL hosts (#595)

Author: addaleax

.evergreen/.setup_env

@@ -1,7 +1,7 @@
 set -e
 set -x
 export BASEDIR="$PWD/.evergreen"
-export PATH="$BASEDIR/node-v$NODE_JS_VERSION-win-x64:/opt/python/3.6/bin/:/cygdrive/c/Python39/Scripts:/cygdrive/c/Python39:/cygdrive/c/cmake/bin:$PATH"
+export PATH="$BASEDIR/node-v$NODE_JS_VERSION-win-x64:/opt/python/3.6/bin:/opt/chefdk/gitbin:/cygdrive/c/Python39/Scripts:/cygdrive/c/Python39:/cygdrive/c/cmake/bin:$PATH"
 
 if [ "$OS" != "Windows_NT" ]; then
   export NVM_DIR="$HOME/.nvm"
@@ -15,6 +15,9 @@ node --version
 echo "Using npm version:"
 npm --version
 
+echo "Using git version:"
+git --version
+
 export EVERGREEN_EXPANSIONS_PATH="$BASEDIR/../../tmp/expansions.yaml"
 
 if [ "$OS" == "Windows_NT" ]; then