Correct check scripts

Author: mirromutth

.github/scripts/ensure_prepared.sh

@@ -16,7 +16,7 @@
 #
 set -e
 
-TAG=$(grep scm.tag= release.properties | cut -d'=' -f2)
+TAG=$(grep scm.tag= r2dbc-mysql/release.properties | cut -d'=' -f2)
 echo "checkout tag $TAG"
 git checkout "$TAG"
-exit 0
+exit 0

.github/scripts/release_rollback.sh

@@ -21,4 +21,4 @@ git remote set-url origin git@github.com:asyncer-io/r2dbc-mysql.git
 git fetch
 git checkout "$1"
 ./mvnw -B --file pom.xml release:rollback
-git push origin :"$TAG"
+git push origin :"$TAG"