kernel: bump 6.6 to 6.6.105

kernel: bump 6.6 to 6.6.105

removed upstreamed patches:
generic/backport-6.6/621-proc-fix-missing-pde_set_flags.patch [1]
generic/pending-6.6/742-net-ethernet-mtk_eth_soc-fix-tx-vlan-tag-for-llc-pac.patch [2]

all other patches autorefreshed.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.105&id=698abcf08818cb7bafb978f4c9f6674d6a825d10
[2] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v6.6.105&id=61b80fbdc0726317f72f9074e10126e0eb0e49c5

Signed-off-by: Goetz Goerisch <[email protected]>
Link: https://github.com/openwrt/openwrt/pull/20013
Signed-off-by: Hauke Mehrtens <[email protected]>