build(deps): update lightning-habana requirement in /requirements

Updates the requirements on [lightning-habana](https://github.com/Lightning-AI/lightning-habana) to permit the latest version.
- [Release notes](https://github.com/Lightning-AI/lightning-habana/releases)
- [Changelog](https://github.com/Lightning-AI/lightning-Habana/blob/main/CHANGELOG.md)
- [Commits](Lightning-AI/lightning-Habana@1.2.0...1.5.0)

---
updated-dependencies:
- dependency-name: lightning-habana
  dependency-version: 1.5.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

requirements/_integrations/accelerators.txt

@@ -1,2 +1,2 @@
 # validation accelerator connectors
-lightning-habana >=1.2.0, <1.3.0
+lightning-habana >=1.2.0, <1.6.0