Correct readme URL in bot comments

Author: per1234

.github/workflows/manage-prs.yml

@@ -268,7 +268,7 @@ jobs:
             - Commit the required change to the branch you submitted this pull request from.
             - Comment here, mentioning @ArduinoBot in the comment
 
-            More information: https://github.com/${{ github.repository }}/main/README.md#if-the-problem-is-with-the-pull-request"
+            More information: https://github.com/${{ github.repository }}/blob/main/README.md#if-the-problem-is-with-the-pull-request"
 
   merge:
     needs:
@@ -338,4 +338,4 @@ jobs:
             Hi @${{ github.actor }}. Your pull request has been detected as something other than a Library Manager submission. A maintainer will need to review it before it can be merged.
 
             If you intended to submit a library, please check the instructions and update your pull request if necessary:
-            https://github.com/${{ github.repository }}/main/README.md#instructions
+            https://github.com/${{ github.repository }}/blob/main/README.md#instructions