Bump the gradle group in /codegen with 10 updates (smithy-lang#651)

Author: dependabot[bot]

codegen/gradle/libs.versions.toml

@@ -1,12 +1,12 @@
 [versions]
 junit5 = "6.0.3"
-smithy = "1.67.0"
-mockito = "5.21.0"
+smithy = "1.68.0"
+mockito = "5.22.0"
 test-logger-plugin = "4.0.0"
 spotbugs = "6.0.22"
-spotless = "8.2.1"
+spotless = "8.3.0"
 smithy-gradle-plugins = "1.4.0"
-dep-analysis = "3.5.1"
+dep-analysis = "3.6.1"
 jsoup = "1.22.1"
 commonmark = "0.17.0"
 

codegen/gradle/wrapper/gradle-wrapper.jar

@@ -1,6 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.3.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.4.0-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME