Upgrade gradle to 7.3.

buildSrc/build.gradle

@@ -3,7 +3,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 plugins {
-    id "org.gradle.kotlin.kotlin-dsl" version "2.1.4"
+    id "org.gradle.kotlin.kotlin-dsl" version "2.1.7"
 }
 
 repositories {

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.0.2-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.3-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists