Update bug_report.md

point to osgeo.github.io

.github/ISSUE_TEMPLATE/bug_report.md

@@ -11,8 +11,8 @@ assignees: ''
 
 I've... 
 - I read
-	- [ ] the [reporting issues](https://github.com/OSGeo/homebrew-osgeo4mac/docs/reporting-issues)
-	- [ ] the [troubleshooting](https://github.com/OSGeo/homebrew-osgeo4mac/docs/troubleshooting)
+	- [ ] the [reporting issues](https://osgeo.github.io/homebrew-osgeo4mac/docs/reporting-issues/)
+	- [ ] the [troubleshooting](https://osgeo.github.io/homebrew-osgeo4mac/docs/troubleshooting/)
 - [ ] I checked the documentation and found no answer
 - [ ] I tried to install after following the suggestions
 - [ ] I am running the latest version (`brew update` twice?)
@@ -51,4 +51,4 @@ Steps to reproduce the behavior:
 
 **Logs**
 
-<!-- Please include the link to the uploaded gist here.  -->
+<!-- Please include the link to the uploaded gist here.  -->