build(deps): update tqdm requirement from >=4.66.3 to >=4.68.3

[dependabot]

Updates the requirements on tqdm to permit the latest version.

Release notes

Sourced from tqdm's releases.

tqdm v4.68.3 stable

• utils: delay os.get_terminal_size (#1763 <- #1760)
• autonotebook: support QtConsole, Spyder, JupyterLite (#1763, #1628, #1559 <- #1283, #1098, #512)
• minor docs updates
  • fix typo (#1762)
  • use git-fame
• misc minor framework updates
  • fix & update CI build
  • pre-commit: add docs & metadata generation
  • move tox.ini -> pyproject.toml, move tox-gh-actions -> tox-gh
  • add Python 3.14, drop 3.7 support

Commits

• 9aff609 bump version, merge pull request #1763 from tqdm/jupyterlite
• 9872f80 drop date from snap version str to fix pydantic
• b829334 support QtConsole, Spyder, JupyterLite
• 6fa4867 delay os.get_terminal_size
• 748e107 lint
• e6e29eb move tox.ini -> pyproject.toml
• 617e4fa tox-gh-actions -> tox-gh
• c49c50d add python 3.14, drop python 3.7 support
• fa2bcdb pre-commit: tqdm.1
• 1ec7988 auto git-fame
• Additional commits viewable in compare view

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