update vendor directory

Signed-off-by: hongming <talonwan@yunify.com>

vendor/github.com/go-resty/resty/v2/.travis.yml

@@ -0,0 +1,21 @@
+language: go
+
+os: linux
+
+go: # use travis ci resource effectively, keep always latest 2 versions and tip :) 
+  - 1.15.x
+  - 1.14.x
+  - tip
+
+install:
+  - go get -v -t ./...
+
+script:
+  - go test ./... -race -coverprofile=coverage.txt -covermode=atomic
+
+after_success:
+  - bash <(curl -s https://codecov.io/bash)
+
+jobs:
+  allow_failures:
+    - go: tip