docs: update CI failures checklist with solutions

.github/workflows/check-runtime-migration.yml

@@ -86,7 +86,7 @@ jobs:
 
       - name: Download CLI
         run: |
-          curl -sL https://github.com/pezkuwichain/try-runtime-cli/releases/download/v0.8.0/try-runtime-x86_64-unknown-linux-musl -o try-runtime
+          curl -sL https://github.com/paritytech/try-runtime-cli/releases/download/v0.8.0/try-runtime-x86_64-unknown-linux-musl -o try-runtime
           chmod +x ./try-runtime
           echo "Using try-runtime-cli version:"
           ./try-runtime --version