[Internal] Update next release version to be patch (#4745)

## Changes
<!-- Summary of your changes that are easy to understand -->
We use `tagging.py` which automatically infers version from
`NEXT_CHANGELOG.md`. Updating it to patch as we already had SDK
generation and we need to release:
#4743

## Tests
<!-- 
How is this tested? Please see the checklist below and also describe any
other relevant tests
-->
CI
- [ ] `make test` run locally
- [ ] relevant change in `docs/` folder
- [ ] covered with integration tests in `internal/acceptance`
- [ ] using Go SDK
- [ ] using TF Plugin Framework

Author: tanmay-db

NEXT_CHANGELOG.md

@@ -1,6 +1,6 @@
 # NEXT CHANGELOG
 
-## Release v1.82.0
+## Release v1.81.1
 
 ### Breaking Changes