update log4j dependency (#41)

Author: goatrocks

build.gradle

@@ -18,7 +18,7 @@ repositories {
 }
 
 archivesBaseName = "indico-client-java"
-version = "4.12.1"
+version = "4.12.2"
 
 
 task sourceJar(type: Jar) {
@@ -50,7 +50,7 @@ dependencies {
     implementation("com.expediagroup:graphql-kotlin-ktor-client:5.2.0")
     implementation("com.expediagroup:graphql-kotlin-client-jackson:5.2.0")
     implementation("com.squareup.okhttp3:okhttp:4.9.0")
-    implementation('org.apache.logging.log4j:log4j-1.2-api:2.14.1')
+    implementation('org.apache.logging.log4j:log4j-1.2-api:2.15.0')
     api('org.json:json:20190722')
     compileOnly("org.jetbrains:annotations:13.0")
     testCompileOnly("org.jetbrains:annotations:13.0")