supporte ColorTypes 0.12 (#31)

Author: t-bltg

Project.toml

@@ -1,6 +1,6 @@
 name = "ExifViewer"
 uuid = "81511e1f-44aa-483a-b228-c9d3a109f0d4"
-version = "0.1.4"
+version = "0.1.5"
 
 [deps]
 ColorTypes = "3da002f7-5984-5a60-b8a6-cbb66c0b333f"
@@ -9,7 +9,7 @@ SnoopPrecompile = "66db9d55-30c0-4569-8b51-7e840670fc0c"
 libexif_jll = "cdeeb48b-bcdf-5b3f-98c4-7a29487f695f"
 
 [compat]
-ColorTypes = "0.11.4"
+ColorTypes = "0.11.4, 0.12"
 JpegTurbo = "0.1.1"
 SnoopPrecompile = "1"
 julia = "^1.6"