:bug: Bugs fixed:
- Fix: User with permission to write actions can impersonate another user when auth token is configured in environment variable
([GHSA-26hr-q2wp-rvc5](https://github.com/treeverse/lakeFS/security/advisories/GHSA-26hr-q2wp-rvc5))
- Fix: S3 Gateway block unsupported S3 operations (7028)
- Fix: Better error handling on hook error (7081)
- Fix: Upload object without specify content type (7130)
- Fix: UI notebook preview fix colors (7141)
- Fix: Match blockstore reader hash function (7099) (thanks hunjixin)
- UI improve load by cache and split of embedded content (7132,7135)