Fix mypy

[sentrivana]

mypy updated itself and started throwing:

linters: commands[2]> mypy sentry_sdk
sentry_sdk/integrations/__init__.py:145: error: List comprehension has incompatible type List[sentry_sdk.integrations.<subclass of "Integration" and "type">1 | type[Integration]]; expected List[sentry_sdk.integrations.<subclass of "Integration" and "type"> | type[Integration]]  [misc]

Locally it's also complaining that it cannot find types for httpcore, so adding that to linter reqs.

[codecov]

❌ 1 Tests Failed:

Tests completed	Failed	Passed	Skipped
14814	1	14813	4379

View the top 1 failed tests by shortest run time

tests.test_transport test_transport_works[threads-False-br-9-True-close-True]

Stack Traces | 0.675s run time

tests/test_transport.py:175: in test_transport_works
    assert not err and not out
E   assert (not '--- Logging error ---\nTraceback (most recent call last):\n  File ".../hostedtoolcache/Python/3.6.15.../x64/lib/python3...lhandlers\n    return old_callhandlers(self, record)\nMessage: \'background worker got kill request\'\nArguments: ()\n')

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