Lower lockbot timeframe and add comment.

Resolves #849.

.github/workflows/lock.yml

@@ -21,7 +21,7 @@ jobs:
       - uses: dessant/lock-threads@v4
         with:
           # Number of days of inactivity before a closed issue is locked
-          issue-inactive-days: 365
+          issue-inactive-days: 30
           # Do not lock issues created before a given timestamp, value must follow ISO 8601
           exclude-issue-created-before: ''
           # Do not lock issues with these labels, value must be a comma separated list of labels or ''
@@ -30,7 +30,15 @@ jobs:
           add-issue-labels: locked
           # Reason for locking an issue, value must be one of resolved, off-topic, too heated, spam or ''
           issue-lock-reason: resolved
+          # Comment to post before locking an issue
+          issue-comment: >
+Hi there, thank you for your contribution to conda!
 
+This issue has been automatically locked since it has not had recent activity after it was closed. Please open a new issue for related bugs.
+
+If this was a feature request and you think it has merit, please open a new issue referencing and summarizing the previous discussion, along with the required action items.
+
+Thank you!
           # Number of days of inactivity before a closed pull request is locked
           pr-inactive-days: 365
           # Do not lock pull requests created before a given timestamp, value must follow ISO 8601