glibc: stable 2.42 branch updates

glibc: stable 2.42 branch updates

$ git log --oneline 453e6b8dbab935257eb0802b0c97bca6b67ba30e..912d89a766847649a3857985a3b5e6065c51bfd4
912d89a766 (HEAD, origin/release/2.42/master) Switch currency symbol for the bg_BG locale to euro
cbf39c26b2 posix: Reset wordexp_t fields with WRDE_REUSE (CVE-2025-15281 / BZ 33814)

Testing Results:
+--------------+--------+--------+------+
| Result       | Before | After  | Diff |
+--------------+--------+--------+------+
| PASS         | 6814   | 6818   | +4   |
| XPASS        | 4      | 4      |  0   |
| FAIL         | 139    | 136    | -3   |
| XFAIL        | 16     | 16     |  0   |
| UNSUPPORTED  | 164    | 164    |  0   |
+--------------+--------+--------+------+

Changes in failed testcases:
malloc/tst-malloc-fork-deadlock-malloc-check  FAIL  PASS
malloc/tst-malloc_info                        FAIL  PASS
malloc/tst-malloc_info-malloc-largetcache     FAIL  PASS
nptl/tst-getpid3                              FAIL  PASS
posix/tst-wait3                               PASS  FAIL

Signed-off-by: Peter Marko <peter.marko@siemens.com>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>