modules: update OpenWrt

7378c94927 kernel: bump to 4.14.243
cfc1602a1e OpenWrt v19.07.8: revert to branch defaults
31f2f76cd5 OpenWrt v19.07.8: adjust config defaults
ef56c85848 ubus: update to version 2021-07-01
796bf50e8e ubus: update to version 2021-06-03
92e341d632 ubus: backport SOVERSION support
e902d11de9 kernel: bump 4.14 to 4.14.241
ceb8821a3d ath10k-ct: add security fixes
71fa524e1b base-files: fix /tmp/TZ when zoneinfo not installed
c88bdb8294 base-files: fix zoneinfo support
15612706c9 mac80211: distance config: allow "auto" as a value
ec76c365c1 gitignore: add .ccache folder
bdd7faca8d kernel: bump 4.14 to 4.14.236

Signed-off-by: David Bauer <mail@david-bauer.net>