scripts/kernel_bump: Avoid potential copyright claim

Due to potential fears of copyright infringement noted by Elliott
Mitchell [0], rewrite our message to belong to OpenWRT.

Note, AI was used to aid in construction of this sentence.

[0]: https://lists.openwrt.org/pipermail/openwrt-devel/2024-March/042422.html

Signed-off-by: Olliver Schinagl <oliver@schinagl.nl>

scripts/kernel_bump.sh

@@ -134,7 +134,7 @@ bump_kernel()
 		--signoff \
 		--message "kernel/${platform_name}: Create kernel files for v${target_version} (from v${source_version})" \
 		--message 'This is an automatically generated commit.' \
-		--message 'During a `git bisect` session, `git bisect --skip` is recommended.'
+		--message 'When doing `git bisect`, consider `git bisect --skip`.'
 
 	git checkout 'HEAD~' "${_target_dir}"
 	git commit \