Update k8s versions (#706)

* tests: updating the four most recent k8s versions

* bump oldest version to 1.16

* docs, Chart.yaml, and changelog for 1.14 -> 1.16

.github/workflows/acceptance.yaml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        kind-k8s-version: [1.14.10, 1.19.11, 1.20.7, 1.21.2, 1.22.4]
+        kind-k8s-version: [1.16.15, 1.20.15, 1.21.10, 1.22.7, 1.23.4]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2

CHANGELOG.md

@@ -5,6 +5,7 @@ CHANGES:
 * Default value of `-` used for injector and server to indicate that they follow `global.enabled`. [GH-703](https://github.com/hashicorp/vault-helm/pull/703)
 * Vault default image to 1.9.3
 * CSI provider default image to 1.0.0
+* Earliest Kubernetes version tested is now 1.16
 
 Improvements:
 * CSI: Set `extraLabels` for daemonset, pods, and service account [GH-690](https://github.com/hashicorp/vault-helm/pull/690)

Chart.yaml

@@ -2,7 +2,7 @@ apiVersion: v2
 name: vault
 version: 0.19.0
 appVersion: 1.9.3
-kubeVersion: ">= 1.14.0-0"
+kubeVersion: ">= 1.16.0-0"
 description: Official HashiCorp Vault Chart
 home: https://www.vaultproject.io
 icon: https://github.com/hashicorp/vault/raw/f22d202cde2018f9455dec755118a9b84586e082/Vault_PrimaryLogo_Black.png

README.md

@@ -22,7 +22,7 @@ The versions required are:
 
   * **Helm 3.0+** - This is the earliest version of Helm tested. It is possible
     it works with earlier versions but this chart is untested for those versions.
-  * **Kubernetes 1.14+** - This is the earliest version of Kubernetes tested.
+  * **Kubernetes 1.16+** - This is the earliest version of Kubernetes tested.
     It is possible that this chart works with earlier versions but it is
     untested.