maintainer-tools: bump to latest git HEAD

Signed-off-by: Tianling Shen <cnsztl@immortalwrt.org>

index.html

@@ -22,7 +22,7 @@
 3.7K May  8 23:28 create_ucitrack_for_luci.sh
 9.9K Jul 26 21:11 init_build_environment.sh
  18K Jun  1  2023 LICENSE
-4.0K Jun 26 02:10 maintainer-tools
+4.0K Jul 26 21:12 maintainer-tools
 4.7K Jun  1  2023 maketag.sh
 1.1K Jun  1  2023 modify-firmware.sh
  902 Jun  1  2023 xiaomi_ssh_calc_pwd.sh
@@ -50,7 +50,7 @@
 4.6K Jun  1  2023 check-abi-versions.pl
 1.5K Jun  1  2023 count-contributions.sh
 3.4K Jun  1  2023 github-apply.sh
-6.8K Jun 26 02:10 github-merge-pr.sh
+7.4K Jul 26 21:12 github-merge-pr.sh
 3.9K Jun  1  2023 makebranch.sh
  24K Jun  1  2023 make-changelog.pl
 5.9K Jun  1  2023 make-signatures.pl