Use binutils 2.39 branch in build-many-glibcs.py

[Florian Weimer]

* Joseph Myers:

> This patch makes build-many-glibcs.py use binutils 2.39 branch.
>
> Tested with build-many-glibcs.py (compilers and glibcs builds).  Note:
> binutils 2.39 shows the same failures for i686-linux-gnu-no-pie,
> x86_64-linux-gnu-no-pie and x86_64-linux-gnu-x32-no-pie building the
> glibc testsuite as binutils mainline does.
>
> diff --git a/scripts/build-many-glibcs.py b/scripts/build-many-glibcs.py
> index 070ac90fa1..98f02104a2 100755
> --- a/scripts/build-many-glibcs.py
> +++ b/scripts/build-many-glibcs.py
> @@ -789,7 +789,7 @@ class Context(object):
>  
>      def checkout(self, versions):
>          """Check out the desired component versions."""
> -        default_versions = {'binutils': 'vcs-2.38',
> +        default_versions = {'binutils': 'vcs-2.39',
>                              'gcc': 'vcs-12',
>                              'glibc': 'vcs-mainline',
>                              'gmp': '6.2.1',

Looks reasonable, thanks.

Florian