Fix the AF version in pre-install script

Author: pankajastro

scripts/test/pre-install-airflow.sh

@@ -33,7 +33,7 @@ uv pip install pip --upgrade
 
 
 if [ "$AIRFLOW_VERSION" = "3.0" ]; then
-  uv pip install "apache-airflow>=3.0.2" --constraint /tmp/constraint.txt
+  uv pip install "apache-airflow==3.0.2" --constraint /tmp/constraint.txt
 else
   uv pip install "apache-airflow==$AIRFLOW_VERSION" --constraint /tmp/constraint.txt
 fi;