upgrade Mypy to 1.7

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Opening this for tracking here; we are blocked by Shoobx/mypy-zope#107

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No longer blocked!

[adiroiban]

I tried to upgrade mypy at #12055 ... but the CI now fails as I guess more errors are detected with the latest mypy version.

Not sure what is the best way to do the upgrade

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@adiroiban looks like the vast majority of those errors are telling us to use new, narrower categories of type:ignore qualifiers, so ideally we could find a blanket configuration option that would enable us to upgrade without fixing all those, then do a few PRs to fix them in chunks, then remove that?

[adiroiban]

Thanks. Looks like just simple hard work.
In theory we can manually update all the ignores to what is suggested in the error.

[adiroiban]

While working on this, maybe we can also fix all the "note" mypy messages

It's not easy to see the error in the mypy output...and since the mypy output is mixed with other tox tasks (lint and newsfragment), it's even harder to see the mypy error.

src/twisted/python/modules.py:264:9: note: By default the bodies of untyped functions are not checked, consider using --check-untyped-defs  [annotation-unchecked]
src/twisted/python/modules.py:320:9: note: By default the bodies of untyped functions are not checked, consider using --check-untyped-defs  [annotation-unchecked]
src/twisted/internet/_sslverify.py:16: error: Unused "type: ignore" comment  [unused-ignore]
src/twisted/internet/tcp.py:805:13: note: By default the bodies of untyped functions are not checked, consider using --check-untyped-defs  [annotation-unchecked]
src/twisted/internet/iocpreactor/tcp.py:362:9: note: By default the bodies of untyped functions are not checked, consider using --check-untyped-defs  [annotation-unchecked]
src/twisted/protocols/amp.py:1715:9: note: By default the bodies of untyped functions are not checked, consider using --check-untyped-defs  [annotation-unchecked]
src/twisted/protocols/amp.py:1716:9: note: By default the bodies of untyped functions are not checked, consider using --check-untyped-defs  [annotation-unchecked]
src/twisted/web/http.py:868:9: note: By default the bodies of untyped functions are not checked, consider using --check-untyped-defs  [annotation-unchecked]
src/twisted/web/http.py:877:9: note: By default the bodies of untyped functions are not checked, consider using --check-untyped-defs  [annotation-unchecked]
src/twisted/web/http.py:879:9: note: By default the bodies of untyped functions are not checked, consider using --check-untyped-defs  [annotation-unchecked]
src/twisted/trial/test/test_reporter.py:142:9: note: By default the bodies of untyped functions are not checked, consider using --check-untyped-defs  [annotation-unchecked]
src/twisted/trial/test/test_reporter.py:270:9: note: By default the bodies of untyped functions are not checked, consider using --check-untyped-defs  [annotation-unchecked]
src/twisted/trial/_dist/test/test_disttrial.py:702:9: note: By default the bodies of untyped functions are not checked, consider using --check-untyped-defs  [annotation-unchecked]
src/twisted/trial/_dist/test/test_disttrial.py:703:9: note: By default the bodies of untyped functions are not checked, consider using --check-untyped-defs  [annotation-unchecked]
src/twisted/trial/_dist/test/test_disttrial.py:715:9: note: By default the bodies of untyped functions are not checked, consider using --check-untyped-defs  [annotation-unchecked]
src/twisted/trial/_dist/test/test_disttrial.py:720:9: note: By default the bodies of untyped functions are not checked, consider using --check-untyped-defs  [annotation-unchecked]
Found 1 error in 1 file (checked 851 source files)

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@adiroiban My recent fix to trunk should have cleared up most of these.