kernel: bump 6.18 to 6.18.34

kernel: bump 6.18 to 6.18.34

Changelog: https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.18.34

Removed upstreamed:
  backport-6.18/627-v7.1-net-pse-pd-fix-sign-on-ENOENT-check-in-of_load_pse_p.patch[1]
  ath79/patches-6.18/301-irqchip-irq-ath79-cpu-drop-OF-init-helper.patch[2]
  ipq40xx/patches-6.18/708-pinctrl-qcom-ipq4019-mark-gpio-as-a-GPIO-pin-function.patch[3]

All other patches automatically rebased via update_kernel.sh

1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.18.34&id=dac025c4e8f9c5cf9467eeac8be4639469aa5ac5
2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.18.34&id=617a2564d8634c06d19097dc0f89bd3a72bcb1b4
3. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.18.34&id=00aca89f5e3453b30b73e31aa31099b1433f8370

Build system: x86/64
Build-tested: x86/64-glibc
Run-tested: x86/64-glibc

Signed-off-by: John Audia <therealgraysky@proton.me>
Link: https://github.com/openwrt/openwrt/pull/23618
Signed-off-by: Jonas Jelonek <jelonek.jonas@gmail.com>