Remove duplicate maven-core and update versions

Signed-off-by: Appu Goundan <[email protected]>

Author: loosebazooka

sigstore-maven-plugin/build.gradle.kts

@@ -9,9 +9,8 @@ plugins {
 description = "A Maven plugin for signing with Sigstore"
 
 dependencies {
-    compileOnly("org.apache.maven:maven-plugin-api:3.9.8")
-    compileOnly("org.apache.maven:maven-core:3.9.8")
-    compileOnly("org.apache.maven:maven-core:3.9.8")
+    compileOnly("org.apache.maven:maven-plugin-api:3.9.9")
+    compileOnly("org.apache.maven:maven-core:3.9.9")
     compileOnly("org.apache.maven.plugin-tools:maven-plugin-annotations:3.13.1")
 
     implementation(project(":sigstore-java"))