Update Gradle wrapper to 8.14.3 (#643)

Update Gradle distribution version & regenerate wrapper to pick up
recent changes per https://docs.gradle.org/current/userguide/gradle_wrapper.html#sec:upgrading_wrapper

    ./gradlew wrapper --gradle-version=8.14.3
    ./gradlew wrapper --gradle-version=8.14.3

https://docs.gradle.org/8.14.3/release-notes.html

Author: infotexture

.github/workflows/gradle-wrapper-validation.yml

@@ -1,4 +1,4 @@
-# https://github.com/marketplace/actions/gradle-wrapper-validation
+# https://github.com/gradle/actions/tree/main/wrapper-validation
 
 name: 'Validate Gradle Wrapper'
 
@@ -10,4 +10,4 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v5
-      - uses: gradle/wrapper-validation-action@v3
+      - uses: gradle/actions/wrapper-validation@v5

gradle/wrapper/gradle-wrapper.jar

@@ -1,6 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.6.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-bin.zip
 networkTimeout=10000
+validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists