chore(datasource/sbt): list package versions in debug (#17035)

lib/modules/datasource/sbt-package/index.ts

@@ -190,6 +190,7 @@ export class SbtPackageDatasource extends MavenDatasource {
 
       const dependencyUrl = searchRoot;
 
+      logger.trace({ dependency: packageName, versions }, `Package versions`);
       if (versions) {
         return {
           ...urls,

lib/modules/datasource/sbt-plugin/index.ts

@@ -119,6 +119,7 @@ export class SbtPluginDatasource extends SbtPackageDatasource {
 
       const dependencyUrl = `${searchRoot}/${artifact}`;
 
+      logger.trace({ dependency: packageName, versions }, `Package versions`);
       if (versions) {
         return {
           ...urls,