v2.5.0

Maintenance update:

• The new default model is now deepseek-r1
• The new default embedding model is nomic-embed-text
• Auto upgrade of all python dependencies

What's Changed

• chore: Clean-up README by @TilmanGriesel in #139
• Upgrade requirements by @TilmanGriesel in #141

Full Changelog: v2.4.0...v2.5.0