Bump Gradle version to 7.6

As well remove usages of forUseAtConfigurationTime - see also
https://github.com/JetBrains/kotlin/pull/5003

buildSrc/build.gradle.kts

@@ -145,6 +145,8 @@ dependencies {
     val slackApiVersion = "1.2.0"
     val metadataVersion = "0.0.1-dev-10"
 
+    // See https://github.com/gradle/gradle/issues/22510
+    implementation("org.gradle.kotlin:gradle-kotlin-dsl-plugins:2.4.1")
     implementation("org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlinVersion")
     implementation("org.jetbrains.kotlin:kotlin-stdlib:$kotlinVersion")
     implementation("org.jetbrains.kotlin:kotlin-reflect:$kotlinVersion")

buildSrc/src/main/kotlin/CommonUtil.kt

@@ -88,7 +88,7 @@ val Project.isConfigurationCacheDisabled
     get() = (gradle.startParameter as? org.gradle.api.internal.StartParameterInternal)?.configurationCache?.get() != true
 
 val Project.isIdeaActive
-    get() = providers.systemProperty("idea.active").forUseAtConfigurationTime().isPresent
+    get() = providers.systemProperty("idea.active").isPresent
 
 val Project.intellijCommunityDir: File
     get() = rootDir.resolve("intellij/community").takeIf { it.isDirectory } ?: rootDir.resolve("intellij")

buildSrc/src/main/kotlin/YarnAndNpmSupressor.kt

@@ -66,7 +66,7 @@ private fun tasksGraphString(taskGraph: TaskExecutionGraph, ident: String = "",
 val Project.checkYarnAndNPMSuppressed: Action<TaskExecutionGraph> get() {
     return Action<TaskExecutionGraph> {
         val disableNpmYarnCheck = providers.gradleProperty("kotlin.build.disable.npmyarn.suppress.check")
-            .forUseAtConfigurationTime().orNull?.toBoolean() ?: false
+            .orNull?.toBoolean() ?: false
 
         if (disableNpmYarnCheck) return@Action
 

buildSrc/src/main/kotlin/plugins/KotlinBuildPublishingPlugin.kt

@@ -130,8 +130,8 @@ fun MavenPublication.configureKotlinPomAttributes(project: Project, explicitDesc
 }
 
 val Project.signLibraryPublication: Boolean
-    get() = project.providers.gradleProperty("signingRequired").forUseAtConfigurationTime().orNull?.toBoolean()
-        ?: project.providers.gradleProperty("isSonatypeRelease").forUseAtConfigurationTime().orNull?.toBoolean()
+    get() = project.providers.gradleProperty("signingRequired").orNull?.toBoolean()
+        ?: project.providers.gradleProperty("isSonatypeRelease").orNull?.toBoolean()
         ?: false
 
 fun Project.configureDefaultPublishing(

buildSrc/src/main/kotlin/tasks.kt

@@ -113,7 +113,7 @@ fun Project.projectTest(
     body: Test.() -> Unit = {}
 ): TaskProvider<Test> {
     val shouldInstrument = project.providers.gradleProperty("kotlin.test.instrumentation.disable")
-        .forUseAtConfigurationTime().orNull?.toBoolean() != true
+        .orNull?.toBoolean() != true
     if (shouldInstrument) {
         evaluationDependsOn(":test-instrumenter")
     }
@@ -248,7 +248,7 @@ fun Project.projectTest(
         if (parallel && jUnitMode != JUnitMode.JUnit5) {
             val forks = (totalMaxMemoryForTestsMb / memoryPerTestProcessMb).coerceAtMost(16)
             maxParallelForks =
-                project.providers.gradleProperty("kotlin.test.maxParallelForks").forUseAtConfigurationTime().orNull?.toInt()
+                project.providers.gradleProperty("kotlin.test.maxParallelForks").orNull?.toInt()
                     ?: forks.coerceIn(1, Runtime.getRuntime().availableProcessors())
         }