Update dependencies

vendor/github.com/alecthomas/chroma/lexers/d/docker.go

@@ -0,0 +1,27 @@
+package d
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	. "github.com/alecthomas/chroma/lexers/b"
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Docker lexer.
+var Docker = internal.Register(MustNewLexer(
+	&Config{
+		Name:            "Docker",
+		Aliases:         []string{"docker", "dockerfile"},
+		Filenames:       []string{"Dockerfile", "*.docker"},
+		MimeTypes:       []string{"text/x-dockerfile-config"},
+		CaseInsensitive: true,
+	},
+	Rules{
+		"root": {
+			{`^(ONBUILD)(\s+)((?:FROM|MAINTAINER|CMD|EXPOSE|ENV|ADD|ENTRYPOINT|VOLUME|WORKDIR))\b`, ByGroups(NameKeyword, TextWhitespace, Keyword), nil},
+			{`^((?:FROM|MAINTAINER|CMD|EXPOSE|ENV|ADD|ENTRYPOINT|VOLUME|WORKDIR))\b(.*)`, ByGroups(Keyword, LiteralString), nil},
+			{`#.*`, Comment, nil},
+			{`RUN`, Keyword, nil},
+			{`(.*\\\n)*.+`, Using(Bash), nil},
+		},
+	},
+))