refactor(clearly-defined): Rename a (so far unused) enum property

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Signed-off-by: Sebastian Schuberth <sebastian@doubleopen.org>

clients/clearly-defined/src/main/kotlin/ClearlyDefinedService.kt

@@ -92,7 +92,7 @@ interface ClearlyDefinedService {
     /**
      * See https://github.com/clearlydefined/service/blob/661934a/schemas/swagger.yaml#L8-L14.
      */
-    enum class Server(val apiUrl: String, val webUrl: String? = null, val contributionUrl: String? = null) {
+    enum class Server(val apiUrl: String, val webUrl: String? = null, val projectUrl: String? = null) {
         /**
          * The production server.
          */