Replace git.io URL (#17501)

.github/workflows/codeql-analysis.yml

@@ -48,7 +48,7 @@ jobs:
       uses: github/codeql-action/autobuild@v2
 
     # ℹ️ Command-line programs to run using the OS shell.
-    # 📚 https://git.io/JvXDl
+    # 📚 https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_idstepsrun
 
     # ✏️ If the Autobuild fails above, remove it and uncomment the following three lines
     #    and modify them (or add more) to build your code if your project

spec/models/podcast_spec.rb

@@ -37,7 +37,7 @@ RSpec.describe Podcast, type: :model do
     # Couldn't use shoulda uniqueness matchers for these tests because:
     # Shoulda uses `save(validate: false)` which skips validations
     # So an invalid record is trying to be saved but fails because of the db constraints
-    # https://git.io/fjg2g
+    # https://github.com/thoughtbot/shoulda-matchers/blob/9f0def1/lib/shoulda/matchers/active_record/validate_uniqueness_of_matcher.rb#L549-L552
 
     it "validates slug uniqueness" do
       podcast2 = build(:podcast, slug: podcast.slug)