Update stalebot config

Author: cjbj

.github/ISSUE_TEMPLATE/general-questions-and-runtime-problems.md

@@ -17,6 +17,8 @@ Please answer these questions so we can help you.
 
 Use Markdown syntax, see https://help.github.com/github/writing-on-github/basic-writing-and-formatting-syntax
 
+GitHub issues that are not updated for a month may be automatically closed.  Feel free to update them at any time.
+
 -->
 
 1. What versions are you using?

.github/ISSUE_TEMPLATE/installation-questions.md

@@ -23,6 +23,8 @@ If you have a `DPI-1047`, `DPI-1050` or `DPI-1072` error, re-review the links ab
 
 Please answer these questions so we can help you.
 
+GitHub issues that are not updated for a month may be automatically closed.  Feel free to update them at any time.
+
 -->
 
 1. What versions are you using?

.github/stale.yml

@@ -1,7 +1,7 @@
 # https://probot.github.io/apps/stale/
 
 # Number of days of inactivity before an issue becomes stale
-daysUntilStale: 21
+daysUntilStale: 30
 # Number of days of inactivity before a stale issue is closed
 daysUntilClose: 7
 # Issues with these labels will never be considered stale
@@ -20,4 +20,4 @@ markComment: >
   for your contributions.
 # Comment to post when closing a stale issue. Set to `false` to disable
 closeComment: >
-  This issue has been automatically closed because it has not been updated in 28 days.
+  This issue has been automatically closed because it has not been updated for a month.