[3.10] bpo-44087: Disallow instantiation of sqlite3.Statement (GH-26567)

[miss-islington]

(cherry picked from commit 7d0a47e)

Co-authored-by: Erlend Egeberg Aasland erlend.aasland@innova.no

https://bugs.python.org/issue44087

[miss-islington]

@erlend-aasland and @pablogsal: Status check is done, and it's a success ✅ .

[pablogsal]

@erlend-aasland Can you please remade this PR to add the missing test functions?

[miss-islington]

@erlend-aasland and @pablogsal: Status check is done, and it's a failure ❌ .

[erlend-aasland]

Can you please remade this PR to add the missing test functions?

Seems like we I somehow decided not to backport this test support function (see #25757 (comment)). I'm rewriting this test to match the existing tests in the 3.10 branch. See #26816.