Bump gradle-wrapper from 9.3.1 to 9.4.1 in /Plan (#4522)

Bumps gradle-wrapper from 9.3.1 to 9.4.1.

---
updated-dependencies:
- dependency-name: gradle-wrapper
  dependency-version: 9.4.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]

Plan/gradle/wrapper/gradle-wrapper.jar

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.3.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.4.1-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME