[3.10] gh-109396: Fix test_socket.test_hmac_sha1() in FIPS mode (GH-109423) (#125106)

[3.10] gh-109396: Fix test_socket.test_hmac_sha1() in FIPS mode (GH-109423) (#125106)

[3.11] gh-109396: Fix test_socket.test_hmac_sha1() in FIPS mode (GH-109423) (GH-109427)

gh-109396: Fix test_socket.test_hmac_sha1() in FIPS mode (GH-109423)

Use a longer key: FIPS mode requires at least of at least 112 bits.
The previous key was only 32 bits.
(cherry picked from commit e091b9f20fa8e409003af79f3c468b8225e6dcd3)

(cherry picked from commit f7bfac4b3dd30920f97a542fd78c355ce62aa267)

Co-authored-by: Victor Stinner <vstinner@python.org>
Co-authored-by: Petr Viktorin <encukou@gmail.com>