vendor: update buildkit to opentelemetry support

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>

vendor/github.com/tonistiigi/fsutil/prefix/match.go

@@ -0,0 +1,45 @@
+package prefix
+
+import (
+	"path"
+	"path/filepath"
+	"strings"
+)
+
+// Match matches a path against a pattern. It returns m = true if the path
+// matches the pattern, and partial = true if the pattern has more separators
+// than the path and the common components match (for example, name = foo and
+// pattern = foo/bar/*). slashSeparator determines whether the path and pattern
+// are '/' delimited (true) or use the native path separator (false).
+func Match(pattern, name string, slashSeparator bool) (m bool, partial bool) {
+	separator := filepath.Separator
+	if slashSeparator {
+		separator = '/'
+	}
+	count := strings.Count(name, string(separator))
+	if strings.Count(pattern, string(separator)) > count {
+		pattern = trimUntilIndex(pattern, string(separator), count)
+		partial = true
+	}
+	if slashSeparator {
+		m, _ = path.Match(pattern, name)
+	} else {
+		m, _ = filepath.Match(pattern, name)
+	}
+	return m, partial
+}
+
+func trimUntilIndex(str, sep string, count int) string {
+	s := str
+	i := 0
+	c := 0
+	for {
+		idx := strings.Index(s, sep)
+		s = s[idx+len(sep):]
+		i += idx + len(sep)
+		c++
+		if c > count {
+			return str[:i-len(sep)]
+		}
+	}
+}