chore: Bump linux version to 6.15.5

Author: github-actions[bot]

scripts/deps.sh

@@ -15,9 +15,9 @@ gmp_sha256=a3c2b80201b89e68616f4ad30bc66aee4927c3ce50e33929ca819d5c43538898
 gmp_url=https://ftp.gnu.org/gnu/gmp/gmp-6.3.0.tar.xz
 gmp_version=6.3.0
 linux_filename=linux-src.tar.xz
-linux_sha256=0eafd627b602f58d73917d00e4fc3196ba18cba67df6995a42aa74744d8efa16
-linux_url=https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-6.15.4.tar.xz
-linux_version=6.15.4
+linux_sha256=2ca707939c14431232649874d438aa58f11b4b127290fa68d164f8bd79c688b5
+linux_url=https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-6.15.5.tar.xz
+linux_version=6.15.5
 mpc_filename=mpc-src.tar.gz
 mpc_sha256=ab642492f5cf882b74aa0cb730cd410a81edcdbec895183ce930e706c1c759b8
 mpc_url=https://ftp.gnu.org/gnu/mpc/mpc-1.3.1.tar.gz