Bump com.gradleup.shadow:shadow-gradle-plugin from 8.3.6 to 8.3.8 (#4280)

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

buildSrc/build.gradle.kts

@@ -29,7 +29,7 @@ dependencies {
   // When updating, update above in plugins too
   implementation("com.diffplug.spotless:spotless-plugin-gradle:7.0.4")
   implementation("com.github.spotbugs.snom:spotbugs-gradle-plugin:6.1.7")
-  implementation("com.gradleup.shadow:shadow-gradle-plugin:8.3.6")
+  implementation("com.gradleup.shadow:shadow-gradle-plugin:8.3.8")
 
   implementation("org.owasp:dependency-check-gradle:12.1.3")