[binutils-gdb] Bump flake8 version

[Tom Tromey]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=470742e018977db69a899eb10a6edd536993f2a8

commit 470742e018977db69a899eb10a6edd536993f2a8
Author: Tom Tromey <tromey@adacore.com>
Date:   Wed Aug 27 13:28:11 2025 -0600

    Bump flake8 version
    
    "pre-commit autoupdate" pointed out that a newer version of flake8 has
    been released.  This patch applies the update.  No code changes were
    needed.
    
    Approved-By: Simon Marchi <simon.marchi@efficios.com>

Diff:
---
 .pre-commit-config.yaml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 16c7505bc13..a4a8a5fa1ef 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -47,7 +47,7 @@ repos:
         types_or: [file]
         files: 'gdb/.*\.py(\.in)?$'
   - repo:  https://github.com/pycqa/flake8
-    rev: 7.2.0
+    rev: 7.3.0
     hooks:
     - id: flake8
       types_or: [file]