* pydevd: Fix up prefix of attach shared library for Windows (#1939)

Follow-up to #1917, which changed the prefix for Windows. The crux of that contribution was about enabling attaching on Sillicon Mac (in fact, it came from my colleagues at Zed Industries). This however broke .dll lookup per zed-industries/zed#35640 (comment)

* Check if `os.__file__` is available before using it (#1944)

* check if os.file is available before using it

* use threading.__file__ als last fallback

* update testing for python 3.14 (#1955)

* update testing for python 3.14

* Allow python 3.14 in attach code

* move 3.14 to its own job outside of matrix

* try 3.14.0-rc.2

* allowUnstable

* use 3.14.0-rc.2 but use 3.14 in tests

* include py.typed in the distributed package (#1960)

* Add gcc flags (#1947)

* Add pyrx-admins as code owners (#1976)

* Add pyrx-admins as code owners

* Combine CODEOWNERS entries into a single line

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Co-authored-by: Piotr Osiewicz <24362066+osiewicz@users.noreply.github.com>
Co-authored-by: timrid <6593626+timrid@users.noreply.github.com>
Co-authored-by: Bill Schnurr <bschnurr@hotmail.com>
Co-authored-by: lev-blit <47675736+lev-blit@users.noreply.github.com>
Co-authored-by: Karthik Nadig <kanadig@microsoft.com>