fix(deps): update ver_jackson to v2.15.2

Author: renovate[bot]

Diff for: lib/build.gradle

@@ -86,7 +86,7 @@ dependencies {
 	// gson
 	gsonCompileOnly 'com.google.code.gson:gson:2.10.1'
 	// jackson
-	String VER_JACKSON='2.14.2'
+	String VER_JACKSON='2.15.2'
 	jacksonCompileOnly "com.fasterxml.jackson.core:jackson-databind:$VER_JACKSON"
 	jacksonCompileOnly "com.fasterxml.jackson.dataformat:jackson-dataformat-yaml:$VER_JACKSON"
 	// ktfmt