vendor: sirupsen/logrus v1.5.0

full diff: https://github.com/sirupsen/logrus/compare/v1.4.1...v1.5.0

- Ability to DisableHTMLEscape when using the JSON formatter
- Support/fixes for go 1.14
- Many many bugfixes

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

vendor/github.com/sirupsen/logrus/terminal_check_solaris.go

@@ -0,0 +1,11 @@
+package logrus
+
+import (
+	"golang.org/x/sys/unix"
+)
+
+// IsTerminal returns true if the given file descriptor is a terminal.
+func isTerminal(fd int) bool {
+	_, err := unix.IoctlGetTermio(fd, unix.TCGETA)
+	return err == nil
+}