chore: improve/lower extract logging (#16181)

lib/modules/manager/dockerfile/extract.ts

@@ -294,7 +294,9 @@ export function extractPackageFile(content: string): PackageFile | null {
       }
 
       if (fromMatch.groups?.name) {
-        logger.debug('Found a multistage build stage name');
+        logger.debug(
+          `Found a multistage build stage name: ${fromMatch.groups.name}`
+        );
         stageNames.push(fromMatch.groups.name);
       }
       if (fromImage === 'scratch') {

lib/modules/manager/gomod/extract.ts

@@ -74,7 +74,7 @@ export function extractPackageFile(content: string): PackageFile | null {
             dep.managerData!.multiLine = true;
             deps.push(dep);
           } else if (line.trim() !== ')') {
-            logger.debug(`No multi-line match: ${line}`);
+            logger.trace(`No multi-line match: ${line}`);
           }
         } while (line.trim() !== ')');
       }