docs: Update release process to work on the main branch

Add shell commands to make sure the release is done on the main branch. And add commands to remove the release tags, to retry doing the release

release.md

@@ -32,7 +32,10 @@ and [Conventional Commits](https://www.conventionalcommits.org/en/v1.0.0/).
 Update this document with new version while doing the release.
 
 ```shell
-export NEW_VERSION=1.0.3
+git checkout main
+git fetch origin main
+git reset --hard origin/main
+export NEW_VERSION=1.0.4
 mvn versions:set -DnewVersion=${NEW_VERSION} -DgenerateBackupPoms=false
 mvn versions:set-scm-tag -DnewTag=${NEW_VERSION} -DgenerateBackupPoms=false
 ./update-non-maven-versions.sh ${NEW_VERSION}
@@ -72,3 +75,11 @@ Again, check CI succeed.
 
 Go to [Sonatype](https://oss.sonatype.org/#stagingRepositories) to review the staged deployment and
 release it to Maven Central.
+
+### In case of error while doing the release
+
+To remove tags, 
+```shell
+git tag -d ${NEW_VERSION}
+git push 
+```