Version 3.3.1

Changed:

• Release notes for earthdata-varinfo will now include the commit history for
  that release.

• urllib3 dependency is pinned to ~2.6.1 to handle vulnerabilies CVE-2025-66471 and CVE-2025-66418.

Commits

DAS-2435: Updates deps. for mitigation of CVE-2025-66471,66418 (#83)
IP-254: Add pytest-cov minimum threshold of 95%. (#79)
TRT-315: Include commit history in release notes. (#70)