[KYUUBI #6924] Upgrade Spark Ranger plugin to 2.6.0

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

---

# 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

bade24d [Cheng Pan] Update extensions/spark/kyuubi-spark-authz/README.md
650f273 [namaagra] [KYUUBI #6924] Upgrade Spark Ranger plugin to 2.6.0

Lead-authored-by: namaagra <[email protected]>
Co-authored-by: Cheng Pan <[email protected]>
Signed-off-by: Cheng Pan <[email protected]>

Author: namanagraw

docs/security/authorization/spark/build.md

@@ -85,6 +85,7 @@ The available `ranger.version`s are shown in the following table.
 
 | Ranger Version | Supported |                                          Remark                                           |
 |:--------------:|:---------:|:-----------------------------------------------------------------------------------------:|
+|     2.6.x      |     √     |                                             -                                             |
 |     2.5.x      |     √     |                                             -                                             |
 |     2.4.x      |     √     |                                             -                                             |
 |     2.3.x      |     √     |                                             -                                             |

extensions/spark/kyuubi-spark-authz/README.md

@@ -26,7 +26,7 @@
 ## Build
 
 ```shell
-build/mvn clean package -DskipTests -pl :kyuubi-spark-authz_2.12 -am -Dspark.version=3.2.1 -Dranger.version=2.5.0
+build/mvn clean package -DskipTests -pl :kyuubi-spark-authz_2.12 -am -Dspark.version=3.5.6 -Dranger.version=2.6.0
 ```
 
 ### Supported Apache Spark Versions
@@ -46,7 +46,8 @@ build/mvn clean package -DskipTests -pl :kyuubi-spark-authz_2.12 -am -Dspark.ver
 
 `-Dranger.version=`
 
-- [x] 2.5.x (default)
+- [x] 2.6.x (default)
+- [x] 2.5.x
 - [x] 2.4.x
 - [x] 2.3.x
 - [x] 2.2.x

extensions/spark/kyuubi-spark-authz/pom.xml

@@ -32,7 +32,7 @@
     <url>https://kyuubi.apache.org/</url>
 
     <properties>
-        <ranger.version>2.5.0</ranger.version>
+        <ranger.version>2.6.0</ranger.version>
         <jersey.client.version>1.19.4</jersey.client.version>
     </properties>