Preparing v0.31.0 release (#1134)

Prepares for v0.31.0 release.

Also adds UBI-based images to csi for openshift-helm-charts defaults,
updating the default providersDir, and other securityContext updates
for OpenShift.

Prepare v0.30.1 release (#1124)

Update k8s versions, default vault version, vault-k8s, and
vault-csi-provider

Preparing release v0.30.0 (#1102)

Update the chart version for release v0.29.1 (#1076)

And note the earliest k8s version in the README

Preparing release v0.29.0 (#1071)

Update image defaults, k8s versions, and changelog

Preparing for v0.28.1 release (#1036)

Updating image defaults, dependabot config, and changelog.

Preparing for v0.28.0 release (#1012)

Updating values.schema.json and adding an updated link for
helm-schema-gen. Updating go, vault-k8s tag, chart-verifier
version. Print the reason a chart-verifier test fails, and ignore
stderr from chart-verifier output since that foils jq. Fix bats
install and update version.

Update to v0.27.0 (#978)

Prepare for release 0.26.1 (#970)

* Prepare for release 0.26.1

prepare for 0.26.0 release (#967)

* prepare for 0.26.0 release