Bump go-openapi/jsonpointer and go-openapi/jsonreference versions

1.14 release notes fixes for 1.14 branch

xref: #75653
Signed-off-by: Jorge Alarcon Ochoa <alarcj137@gmail.com>

Automated cherry pick of #75529: bump required minimum go version to 1.12.1 (strings pkg compatibility)

Automated cherry pick of #75487: Restore machine readability to the print-join-command output

The output of `kubeadm token create --print-join-command` should be
usable by batch scripts. This issue was pointed out in:

https://github.com/kubernetes/kubeadm/issues/1454

Restore username and password kubectl flags

Mark audit e2e tests as flaky

Move to golang 1.12.1 official image

build/gci: bump CNI version to 0.7.5

fix race condition issue for smb mount on windows

framework k8s.io/apiextensions-apiserver dependency

Clear conntrack entries on 0 -> 1 endpoint transition with externalIPs

Remove reference to USE_RELEASE_NODE_BINARIES.

fix kubeadm init output

Stop vsphere cloud provider from spamming logs with `failed to patch IP`

fix kubeadm external CA Mode

Kubeadm insecure port

This reverts commit 5b64a986.

kubelet watch-manager test, restore watch-based manager default

Don't follow non-local redirects from HTTP probes

We used 1.12.0 + hack to download 1.12.1 binaries as we were in a rush
on friday since the images were not published at that time. Let's remove
the hack now and republish the kube-cross image

Change-Id: I3ffff3283b6ca755320adfca3c8f4a36dc1c2b9e

disable HTTP2 ingress test

Fix panic when removing docker images

kubeadm: Allow certain certs/keys to be missing on the secret

upgrade to go1.12.1