bring back comments

Author: trask

.github/renovate.json5

@@ -6,6 +6,7 @@
   ],
   packageRules: [
     {
+      // this is to reduce the number of renovate PRs by consolidating them into a weekly batch
       matchManagers: [
         'github-actions',
       ],
@@ -15,6 +16,8 @@
       groupName: 'github actions',
     },
     {
+      // pin opentelemetry-api dependency to: avoid churn, for conservative api version requirement,
+      // and because opentelemetry-api is a compileOnly dependency
       matchPackageNames: [
         'io.opentelemetry:opentelemetry-api',
       ],