v2021.7.9 🌈

Changes

• [chore] Prepare Abaqus 2025 (backport #5843) @mergify (#5855)
• [chore] Remove Python 3.7 support (backport #5844) @mergify (#5847)
• Fix some type hint errors (backport #5816) @mergify (#5819)
• Fix typing errors about part features (backport #5807) @mergify (#5810)
• [chore] Add sponsors button (backport #5798) @mergify (#5801)

🤖 Automation

• [pre-commit.ci] pre-commit autoupdate (backport #5828) @mergify (#5831)

Full Changelog: v2021.7.8...v2021.7.9