Prepare for release v0.4.0-rc.0 (#114)

* Prepare for release v0.4.0-rc.0

ProductLine: KubeVault

Release: v2021.07.14-rc.0

Release-tracker: kubevault/CHANGELOG#17
Signed-off-by: 1gtm <1gtm@appscode.com>

* Use Go 1.16

Signed-off-by: Tamal Saha <tamal@appscode.com>

Co-authored-by: Tamal Saha <tamal@appscode.com>

.github/workflows/ci.yml

@@ -13,10 +13,10 @@ jobs:
     name: Build
     runs-on: ubuntu-latest
     steps:
-      - name: Set up Go 1.14
+      - name: Set up Go 1.16
         uses: actions/setup-go@v1
         with:
-          go-version: 1.14
+          go-version: 1.16
         id: go
 
       - name: Check out code into the Go module directory

.github/workflows/update-docs.yml

@@ -10,10 +10,10 @@ jobs:
     name: Build
     runs-on: ubuntu-latest
     steps:
-      - name: Set up Go 1.14
+      - name: Set up Go 1.16
         uses: actions/setup-go@v1
         with:
-          go-version: 1.14
+          go-version: 1.16
         id: go
 
       - uses: actions/checkout@v1

go.mod

@@ -7,16 +7,16 @@ require (
 	github.com/spf13/cobra v1.1.3
 	gomodules.xyz/kglog v0.0.1
 	gomodules.xyz/runtime v0.2.0
-	gomodules.xyz/x v0.0.4
-	k8s.io/api v0.21.0
-	k8s.io/apimachinery v0.21.0
-	k8s.io/cli-runtime v0.21.0
-	k8s.io/client-go v0.21.0
-	k8s.io/component-base v0.21.0
+	gomodules.xyz/x v0.0.5
+	k8s.io/api v0.21.1
+	k8s.io/apimachinery v0.21.1
+	k8s.io/cli-runtime v0.21.1
+	k8s.io/client-go v0.21.1
+	k8s.io/component-base v0.21.1
 	k8s.io/kubectl v0.21.0
-	kmodules.xyz/client-go v0.0.0-20210505231546-fa4fb8e1d04e
-	kmodules.xyz/custom-resources v0.0.0-20210504034124-54c54fcdb690
-	kubevault.dev/apimachinery v0.0.0-20210505232652-a0cc7d66cf6a
+	kmodules.xyz/client-go v0.0.0-20210617233340-13d22e91512b
+	kmodules.xyz/custom-resources v0.0.0-20210618003440-c6bb400da153
+	kubevault.dev/apimachinery v0.4.0-rc.0
 )
 
 replace bitbucket.org/ww/goautoneg => gomodules.xyz/goautoneg v0.0.0-20120707110453-a547fc61f48d