fix(deprecation): reset list for each manager

lib/workers/repository/process/deprecated.js

@@ -12,8 +12,8 @@ async function raiseDeprecationWarnings(config, packageFiles) {
   ) {
     return;
   }
-  const deprecatedPackages = {};
   for (const [manager, files] of Object.entries(packageFiles)) {
+    const deprecatedPackages = {};
     for (const packageFile of files) {
       for (const dep of packageFile.deps) {
         const { deprecationMessage } = dep;