This pull request fixes#6924
## Describe Your Solution 🔧
Bump ranger version to 2.6.0
Release notes: https://cwiki.apache.org/confluence/display/RANGER/Apache+Ranger+2.6.0+-+Release+Notes
## Types of changes 🔖
- [ ] Bugfix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing functionality to change)
## Test Plan 🧪
#### Behavior Without This Pull Request ⚰️
#### Behavior With This Pull Request 🎉
#### Related Unit Tests
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# Checklist 📝
- [ ] This patch was not authored or co-authored using [Generative Tooling](https://www.apache.org/legal/generative-tooling.html)
**Be nice. Be informative.**
Closes#7124 from namanagraw/ranger_upgrade.
Closes#6924
bade24db8 [Cheng Pan] Update extensions/spark/kyuubi-spark-authz/README.md
650f27319 [namaagra] [KYUUBI apache#6924] Upgrade Spark Ranger plugin to 2.6.0
Lead-authored-by: namaagra <namaagra@visa.com>
Co-authored-by: Cheng Pan <pan3793@gmail.com>
Signed-off-by: Cheng Pan <chengpan@apache.org>
8c5f461dfb