Update dependency gradle to v8.9

[renovate]

This PR contains the following updates:

Package	Update	Change
gradle (source)	minor	8.8 -> 8.9

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Release Notes

gradle/gradle (gradle)

v8.9

Compare Source

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Configuration

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[github-actions]

Diffuse output:

OLD: diffuse-base-file
NEW: ktlint-gradle-plugin.jar

       │          compressed          │         uncompressed         
       ├───────────┬───────────┬──────┼───────────┬───────────┬──────
 JAR   │ old       │ new       │ diff │ old       │ new       │ diff 
───────┼───────────┼───────────┼──────┼───────────┼───────────┼──────
 class │ 143.6 KiB │ 143.6 KiB │  0 B │ 294.3 KiB │ 294.3 KiB │  0 B 
 other │  10.1 KiB │  10.1 KiB │  0 B │  24.9 KiB │  24.9 KiB │  0 B 
───────┼───────────┼───────────┼──────┼───────────┼───────────┼──────
 total │ 153.7 KiB │ 153.7 KiB │  0 B │ 319.2 KiB │ 319.2 KiB │  0 B 

 CLASSES │ old │ new │ diff      
─────────┼─────┼─────┼───────────
 classes │  86 │  86 │ 0 (+0 -0) 
 methods │ 723 │ 723 │ 0 (+0 -0) 
  fields │ 177 │ 177 │ 0 (+0 -0)