deps: switch gnu_lightning to a github mirror

The original is sometimes down, breaking CI.

diff --git a/.gitmodules b/.gitmodules
index 97221aa..dcf9700 100644 (file)
--- a/.gitmodules
+++ b/.gitmodules
@@ -12,7 +12,7 @@
        url = https://github.com/pcercuei/lightrec.git
 [submodule "deps/lightning"]
        path = deps/lightning
-       url = https://git.savannah.gnu.org/git/lightning.git
+       url = https://github.com/notaz/gnu_lightning.git
 [submodule "deps/libretro-common"]
        path = deps/libretro-common
        url = https://github.com/libretro/libretro-common.git