Vendor SQLite version setup action

[simonw]

Vendor https://github.com/asg017/sqlite-versions/tree/71ea0de37ae739c33e447af91ba71dda8fcf22e6 and make it more robust against sqlite.org timeouts.

Refs:

• CI error: request to https://www.sqlite.org/2018/sqlite-amalgamation-3230100.zip failed #774

---

📚 Documentation preview 📚: https://sqlite-utils--775.org.readthedocs.build/en/775/

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 95.24%. Comparing base (07b603e) to head (518dec1).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #775   +/-   ##
=======================================
  Coverage   95.24%   95.24%           
=======================================
  Files           9        9           
  Lines        3597     3597           
=======================================
  Hits         3426     3426           
  Misses        171      171           

☔ View full report in Codecov by Harness.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.