Merge pull request kubernetes-client#1956 from yue9944882/cherrypick-11/bump-bc

Cherrypick-11: Bump bouncycastle to 1.69

Author: k8s-ci-robot

pom.xml

@@ -46,7 +46,7 @@
  <protobuf.version>3.14.0</protobuf.version>
  <junit.version>4.13</junit.version>
  <bucket4j.version>4.10.0</bucket4j.version>
- <bouncycastle.version>1.68</bouncycastle.version>
+ <bouncycastle.version>1.69</bouncycastle.version>
  <jodatime.version>2.10.8</jodatime.version>
  <joda-convert.version>2.2.1</joda-convert.version>
  <gson.version>2.8.6</gson.version>