updating gradle version (opensearch-project#4064)

Signed-off-by: Dhrubo Saha <dhrubo@amazon.com>

Author: dhrubo-os

gradle/wrapper/gradle-wrapper.properties

@@ -1,7 +1,7 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionSha256Sum=efe9a3d147d948d7528a9887fa35abcf24ca1a43ad06439996490f77569b02d1
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.14-all.zip
+distributionSha256Sum=ed1a8d686605fd7c23bdf62c7fc7add1c5b23b2bbc3721e661934ef4a4911d7c
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.3-all.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME