Update module github.com/minetest-go/colormapping to v1.0.4

Author: renovate[bot]

go.mod

@@ -12,7 +12,7 @@ require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0 // indirect
 	github.com/klauspost/compress v1.15.4 // indirect
-	github.com/minetest-go/colormapping v1.0.1
+	github.com/minetest-go/colormapping v1.0.4
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	golang.org/x/image v0.0.0-20211028202545-6944b10bf410 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect

go.sum

@@ -14,6 +14,8 @@ github.com/minetest-go/colormapping v1.0.0 h1:kT2v8NG7kPf63p8cl/GPM6YSrxaT5O3zOW
 github.com/minetest-go/colormapping v1.0.0/go.mod h1:arMBjO6+z8+yhLvrsX4tCnYq5fzGcPFUOj/4Xb78Ktc=
 github.com/minetest-go/colormapping v1.0.1 h1:RF6sFd59QuTkm0G3iMXlj3Leg+ZHRps+fY/j+FXsD5Q=
 github.com/minetest-go/colormapping v1.0.1/go.mod h1:arMBjO6+z8+yhLvrsX4tCnYq5fzGcPFUOj/4Xb78Ktc=
+github.com/minetest-go/colormapping v1.0.4 h1:EoIAvdjAyO7kUFcBipbPZmGFSOoSiHwDHpUeH4LSJ4k=
+github.com/minetest-go/colormapping v1.0.4/go.mod h1:oltuvIhwZBc5YMTCABzziVUHdOCkSOIHr46zDS23Ev0=
 github.com/minetest-go/mapparser v0.1.1 h1:Ir7ChKX0lwnyr6Zg/Jd3ipQT1vPCAQYN6GWmQXK020Y=
 github.com/minetest-go/mapparser v0.1.1/go.mod h1:Rjv12WQ3Tn9BsOr0ohFguGWFol3vIfgQcTUy5wCACgo=
 github.com/minetest-go/mapparser v0.1.2 h1:aAcRqikLAnZ9gV6mgwkhoclDwjo45eJs7Fz0WvD7vB4=