Use fork of gh-ost-ci-env with mysql-8.4.3

script/cibuild-gh-ost-replica-tests

@@ -7,7 +7,7 @@ whoami
 fetch_ci_env() {
   # Clone gh-ost-ci-env
   # Only clone if not already running locally at latest commit
-  remote_commit=$(git ls-remote https://github.com/github/gh-ost-ci-env.git HEAD | cut -f1)
+  remote_commit=$(git ls-remote https://github.com/chen-anders/gh-ost-ci-env.git HEAD | cut -f1)
   local_commit="unknown"
   [ -d "gh-ost-ci-env" ] && local_commit=$(cd gh-ost-ci-env && git log --format="%H" -n 1)
 
@@ -16,7 +16,7 @@ fetch_ci_env() {
 
   if [ "$remote_commit" != "$local_commit" ] ; then
     rm -rf ./gh-ost-ci-env
-    git clone https://github.com/github/gh-ost-ci-env.git
+    git clone https://github.com/chen-anders/gh-ost-ci-env.git
   fi
 }