revert viper version to v1.4.0 (#5626)

* revert viper version to v1.4.0

Signed-off-by: wenhaozhou <wenhaozhou@yunify.com>

* update vendor

Signed-off-by: wenhaozhou <wenhaozhou@yunify.com>

---------

Signed-off-by: wenhaozhou <wenhaozhou@yunify.com>

vendor/github.com/spf13/viper/.gitignore

@@ -1,5 +1,29 @@
-/.idea/
-/bin/
-/build/
-/var/
-/vendor/
+# Compiled Object files, Static and Dynamic libs (Shared Objects)
+*.o
+*.a
+*.so
+
+# Folders
+_obj
+_test
+
+# Architecture specific extensions/prefixes
+*.[568vq]
+[568vq].out
+
+*.cgo1.go
+*.cgo2.c
+_cgo_defun.c
+_cgo_gotypes.go
+_cgo_export.*
+
+_testmain.go
+
+*.exe
+*.test
+*.bench
+
+.vscode
+
+# exclude dependencies in the `/vendor` folder
+vendor