s/Prism/Fjord in .github

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -6,9 +6,9 @@ body:
   attributes:
     value: |
       Before submitting a bug report, please make sure you have read this *entire* form, and that:
-      * You have read the [Prism Launcher wiki](https://prismlauncher.org/wiki/) and it has not answered your question.
+      * You have read the [Fjord Launcher wiki](https://fjordlauncher.org/wiki/) and it has not answered your question.
       * Your bug is not caused by Minecraft or any mods you have installed.
-      * Your issue has not been reported before, [make sure to use the search function!](https://github.com/PrismLauncher/PrismLauncher/issues)
+      * Your issue has not been reported before, [make sure to use the search function!](https://github.com/unmojang/FjordLauncher/issues)
 
       **Do not forget to give your issue a descriptive title.** "Bug in the instance screen" makes it hard to distinguish issues at a glance.
 - type: dropdown

.github/pull_request_template.md

@@ -2,7 +2,7 @@
 Hey there! Thanks for your contribution.
 
 Please make sure that your commits are signed off first.
-If you don't know how that works, check out our contribution guidelines: https://github.com/PrismLauncher/PrismLauncher/blob/develop/CONTRIBUTING.md#signing-your-work
+If you don't know how that works, check out our contribution guidelines: https://github.com/unmojang/FjordLauncher/blob/develop/CONTRIBUTING.md#signing-your-work
 If you already created your commits, you can run `git rebase --signoff develop` to retroactively sign-off all your commits and `git push --force` to override what you have pushed already.
 
 Note that signing and signing-off are two different things!