add jakarta implementation

#1054

Author: Fyro-Ing

src/main/resources/handlebars/scala/client/api.mustache

@@ -10,7 +10,12 @@ import {{invokerPackage}}.{ApiInvoker, ApiException}
 import com.sun.jersey.multipart.FormDataMultiPart
 import com.sun.jersey.multipart.file.FileDataBodyPart
 
+{{#jakarta}}
+import jakarta.ws.rs.core.MediaType
+{{/jakarta}}
+{{^jakarta}}
 import javax.ws.rs.core.MediaType
+{{/jakarta}}
 
 import java.io.File
 import java.util.Date

src/main/resources/handlebars/scala/client/apiInvoker.mustache

@@ -14,7 +14,12 @@ import com.sun.jersey.multipart.file.FileDataBodyPart
 import java.io.File
 import java.net.URLEncoder
 import java.util.UUID
+{{#jakarta}}
+import jakarta.ws.rs.core.MediaType
+{{/jakarta}}
+{{^jakarta}}
 import javax.ws.rs.core.MediaType
+{{/jakarta}}
 
 import scala.collection.JavaConverters._
 import scala.collection.mutable

src/main/resources/handlebars/scala/client/build.gradle.mustache

@@ -48,7 +48,7 @@ if(hasProperty('target') && target == 'android') {
         }
 
         dependencies {
-            provided 'javax.annotation:jsr250-api:1.0'
+            provided 'jakarta.annotation:jakarta.annotation-api:{{#jakarta}}2.1.1{{/jakarta}}{{^jakarta}}1.3.5{{/jakarta}}'
         }
     }