Update gradle version

Author: ericdallo

gradle.properties

@@ -22,7 +22,7 @@ platformVersion = 2023.3
 platformPlugins = com.intellij.java, com.redhat.devtools.lsp4ij:0.10.0
 
 # Gradle Releases -> https://github.com/gradle/gradle/releases
-gradleVersion = 8.5
+gradleVersion = 7.6.1
 
 # Opt-out flag for bundling Kotlin standard library.
 # See https://plugins.jetbrains.com/docs/intellij/kotlin.html#kotlin-standard-library for details.