[HOTFIX] Fix wrong variable name in tag script

### What is this PR for?
Fix wrong variable name in tag script

### What type of PR is it?
Hot Fix

### Questions:
* Does the licenses files need update? no
* Is there breaking changes for older versions? no
* Does this needs documentation? no

Author: Mina Lee <minalee@apache.org>

Closes #2171 from minahlee/hotfix/tag-script and squashes the following commits:

d84a72c1 [Mina Lee] FIx tag script wrong variable nome

(cherry picked from commit 1f736647989952679957c8a7bd26b156d795fd7c)
Signed-off-by: Mina Lee <minalee@apache.org>
diff --git a/dev/tag_release.sh b/dev/tag_release.sh
index 849237d..14096ae 100755
--- a/dev/tag_release.sh
+++ b/dev/tag_release.sh
@@ -44,7 +44,7 @@
 git commit -a -m "Preparing development version ${NEXT_DEV_VERSION}"
 
 git push origin "${RC_TAG}"
-git push origin HEAD:"${BRANCH}" 
+git push origin HEAD:"${GIT_BRANCH}" 
 
 popd
 rm -rf "${WORKING_DIR}"