[glibc] build-many-glibcs.py: Update Linux kernel version to 7.1

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=d109f366ced6787fa295ab5c6b87de699c4bc25e

commit d109f366ced6787fa295ab5c6b87de699c4bc25e
Author: Adhemerval Zanella <[email protected]>
Date:   Fri Jul 3 11:46:39 2026 -0300

    build-many-glibcs.py: Update Linux kernel version to 7.1
    
    Use the 7.1 release as the default Linux kernel version for building test
    compilers and headers.
    
    Reviewed-by: Florian Weimer <[email protected]>

Diff:
---
 scripts/build-many-glibcs.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/scripts/build-many-glibcs.py b/scripts/build-many-glibcs.py
index 23db975606..f6fc0e376b 100755
--- a/scripts/build-many-glibcs.py
+++ b/scripts/build-many-glibcs.py
@@ -870,7 +870,7 @@ class Context(object):
                             'gcc': 'vcs-15',
                             'glibc': 'vcs-mainline',
                             'gmp': '6.3.0',
-                            'linux': '7.0',
+                            'linux': '7.1',
                             'mpc': '1.4.1',
                             'mpfr': '4.2.2',
                             'mig': 'vcs-mainline',