rebase: update kubernetes to v1.20.0

updated kubernetes packages to latest
release.

Signed-off-by: Madhu Rajanna <madhupr007@gmail.com>

vendor/github.com/jmespath/go-jmespath/.travis.yml

@@ -0,0 +1,28 @@
+language: go
+
+sudo: false
+
+go:
+  - 1.5.x
+  - 1.6.x
+  - 1.7.x
+  - 1.8.x
+  - 1.9.x
+  - 1.10.x
+  - 1.11.x
+  - 1.12.x
+  - 1.13.x
+  - 1.14.x
+  - 1.15.x
+  - tip
+
+allow_failures:
+  - go: tip
+
+script: make build
+
+matrix:
+  include:
+    - language: go
+      go: 1.15.x
+      script: make test