omcproxy: update to Git HEAD (2026-03-07)

omcproxy: update to Git HEAD (2026-03-07)

3abb601ab77f mrib: receive_mrt: workaround for RTL8373 queries
e25491f27af3 Revert "mrib: receive_mrt: workaround for RTL8373 queries"
cd20f3a4b4f1 mrib: receive_mrt: workaround for RTL8373 queries
cad82dc5cb65 formal: fix workflow permissions
997a981ae375 github: ci: add MIPS64, PowerPC64 and RISCV64
e646f462daeb github: ci: add powerpc arch
b3d1e2e48cf4 github: ci: add cmake build and source directories
de4353546064 github: ci: disable json-c tests
2be7e63d9b68 scripts: devel-build: disable json-c tests
36adc79c7b76 github: fix CI apt dependencies
11e45f6cfe10 README: update build instructions
78eea9b83a93 omcproxy: use syslog mask for logging level
9f0a1454de10 github: add CI build
49df5f5b8704 omcproxy: add a simple build script
757c1c704c9d libubox: remove submodule
8957f6c2557b omcproxy: update cmake file
848d696419eb proxy: fix indentation warning

Link: https://github.com/openwrt/openwrt/pull/22317
Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>