component/tig: version up 2.5.7

component/tig/buildout.cfg

@@ -9,8 +9,8 @@ extends =
 [tig]
 recipe = slapos.recipe.cmmi
 shared = true
-url = https://github.com/jonas/tig/releases/download/tig-2.5.5/tig-2.5.5.tar.gz
-md5sum = 0902ba706e8efaf6c2087d8b66393375
+url = https://github.com/jonas/tig/releases/download/tig-2.5.7/tig-2.5.7.tar.gz
+md5sum = 307e966837370ba698286a1c48d31a7f
 environment =
   CFLAGS=-I${ncurses:location}/include -I${libiconv:location}/include
   LDFLAGS=-L${ncurses:location}/lib -Wl,-rpath=${ncurses:location}/lib -L${libiconv:location}/lib -Wl,-rpath=${libiconv:location}/lib