[KYUUBI apache#6173] Bump maven-download-plugin from 1.7.1 to 1.8.1

# 🔍 Description
## Issue References 🔗

The current used 1.7.1 has a cache missing issue download-maven-plugin/download-maven-plugin#260, which gots fixed in 1.8.0

## Describe Your Solution 🔧

Bump to the latest 1.8.1

## 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 🧪

Pass GA.

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# Checklist 📝

- [x] This patch was not authored or co-authored using [Generative Tooling](https://www.apache.org/legal/generative-tooling.html)

**Be nice. Be informative.**

Closes apache#6173 from pan3793/dl-plugin.

Closes apache#6173

419c219 [Cheng Pan] Bump maven-download-plugin from 1.7.1 to 1.8.1

Authored-by: Cheng Pan <[email protected]>
Signed-off-by: Cheng Pan <[email protected]>

pom.xml

@@ -229,7 +229,7 @@
         <jars.target.dir>${project.build.directory}/scala-${scala.binary.version}/jars</jars.target.dir>
 
         <maven.plugin.build.helper.version>3.3.0</maven.plugin.build.helper.version>
-        <maven.plugin.download.version>1.7.1</maven.plugin.download.version>
+        <maven.plugin.download.version>1.8.1</maven.plugin.download.version>
         <maven.plugin.download.cache.path></maven.plugin.download.cache.path>
         <maven.plugin.enforcer.mojo.rules.version>1.6.1</maven.plugin.enforcer.mojo.rules.version>
         <maven.plugin.frontend.version>1.12.1</maven.plugin.frontend.version>