Update dependencies

vendor/github.com/alecthomas/chroma/lexers/p/pacman.go

@@ -0,0 +1,26 @@
+package p
+
+import (
+	. "github.com/alecthomas/chroma" // nolint
+	"github.com/alecthomas/chroma/lexers/internal"
+)
+
+// Pacmanconf lexer.
+var Pacmanconf = internal.Register(MustNewLexer(
+	&Config{
+		Name:      "PacmanConf",
+		Aliases:   []string{"pacmanconf"},
+		Filenames: []string{"pacman.conf"},
+		MimeTypes: []string{},
+	},
+	Rules{
+		"root": {
+			{`#.*$`, CommentSingle, nil},
+			{`^\s*\[.*?\]\s*$`, Keyword, nil},
+			{`(\w+)(\s*)(=)`, ByGroups(NameAttribute, Text, Operator), nil},
+			{`^(\s*)(\w+)(\s*)$`, ByGroups(Text, NameAttribute, Text), nil},
+			{Words(``, `\b`, `$repo`, `$arch`, `%o`, `%u`), NameVariable, nil},
+			{`.`, Text, nil},
+		},
+	},
+))