bug(typing): Fix typing issues in latest click package

[schloerke]

@jcheng5 My questionable change is adding the name to click.group(). Is this an ok change?

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pyright
/home/runner/work/py-shiny/py-shiny/shiny/_main.py
  /home/runner/work/py-shiny/py-shiny/shiny/_main.py:24:2 - error: Untyped function decorator obscures type of function; ignoring decorator (reportUntypedFunctionDecorator)
  /home/runner/work/py-shiny/py-shiny/shiny/_main.py:32:7 - error: Cannot access member "command" for type "function"
    Member "command" is unknown (reportFunctionMemberAccess)
  /home/runner/work/py-shiny/py-shiny/shiny/_main.py:370:7 - error: Cannot access member "command" for type "function"
    Member "command" is unknown (reportFunctionMemberAccess)
  /home/runner/work/py-shiny/py-shiny/shiny/_main.py:399:7 - error: Cannot access member "command" for type "function"
    Member "command" is unknown (reportFunctionMemberAccess)
  /home/runner/work/py-shiny/py-shiny/shiny/_main.py:427:7 - error: Cannot access member "command" for type "function"
    Member "command" is unknown (reportFunctionMemberAccess)
5 errors, 0 warnings, 0 informations

cc @karangattu

[schloerke]

Test failures for example apps are unrelated to changes. Merging