Update Easy-RSA and CFSSL to support LibreSSL

[MaxRenaud]

The Easy-RSA script used by this project is pull from:
https://storage.googleapis.com/kubernetes-release/easy-rsa/easy-rsa.tar.gz

According to the latest entry in the Changelog, it's an old version:
3.0.0-rc2 (2014/07/27)

This is preventing OS that use LibreSSL instead of OpenSSL from running make certs. See OpenVPN/easy-rsa#74. My OS is macOS Big Sur Version 11.2.3

Easy-RSA error:

Missing or invalid OpenSSL
Expected to find openssl command at: /usr/bin/openssl
4487372460:error:0EFFF068:configuration file routines:CRYPTO_internal:variable has no value:/AppleInternal/BuildRoot/Library/Caches/com.apple.xbs/Sources/libressl/libressl-56.60.2/libressl-2.8/crypto/conf/conf_def.c:563:line 3

For troubleshooting purposes, I have manually copied https://github.com/OpenVPN/easy-rsa to the easy-rsa-master directory.

CFSSL also needs to be updated. The Makefile references version R1.2 from https://pkg.cfssl.org/. While this appears to be the latest version, it seems like it's no longer updated and the latest version is really 1.5.0. I have updated the Makefile to use version 1.5.0

I was able to run make certs

[MaxRenaud]

/reopen

The PR only partially fixes this.

[k8s-ci-robot]

@MaxRenaud: Reopened this issue.

In response to this:

/reopen

The PR only partially fixes this.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[MaxRenaud]

/close

#184 was merged and fixes this completely.

[k8s-ci-robot]

@MaxRenaud: Closing this issue.

In response to this:

/close

#184 was merged and fixes this completely.

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.