Revert "🥑🤖 v1.21.0 release prep 🤖🥑 (#953)" (#961)

This reverts commit f3b7d4f.

Author: cjerad

README.md

@@ -127,7 +127,7 @@ When using Kubernetes [Pod Security Admission](https://kubernetes.io/docs/concep
 You can use kubectl to directly add all of the above resources with the default configuration into your cluster.
 
 ```
-kubectl apply -f https://github.com/aws/aws-node-termination-handler/releases/download/v1.21.0/all-resources.yaml
+kubectl apply -f https://github.com/aws/aws-node-termination-handler/releases/download/v1.20.0/all-resources.yaml
 ```
 
 For a full list of releases and associated artifacts see our [releases page](https://github.com/aws/aws-node-termination-handler/releases).
@@ -200,7 +200,7 @@ helm upgrade --install aws-node-termination-handler \
   oci://public.ecr.aws/aws-ec2/helm/aws-node-termination-handler --version $CHART_VERSION
 ```
 
-For a full list of configuration options see our [Helm readme](https://github.com/aws/aws-node-termination-handler/blob/v1.21.0/config/helm/aws-node-termination-handler#readme).
+For a full list of configuration options see our [Helm readme](https://github.com/aws/aws-node-termination-handler/blob/v1.20.0/config/helm/aws-node-termination-handler#readme).
 
 </details>
 
@@ -490,7 +490,7 @@ helm upgrade --install aws-node-termination-handler \
   oci://public.ecr.aws/aws-ec2/helm/aws-node-termination-handler --version $CHART_VERSION
 ```
 
-For a full list of configuration options see our [Helm readme](https://github.com/aws/aws-node-termination-handler/blob/v1.21.0/config/helm/aws-node-termination-handler#readme).
+For a full list of configuration options see our [Helm readme](https://github.com/aws/aws-node-termination-handler/blob/v1.20.0/config/helm/aws-node-termination-handler#readme).
 
 #### Single Instance vs Multiple Replicas
 
@@ -515,7 +515,7 @@ Queue Processor needs an **SQS queue URL** to function; therefore, manifest chan
 Minimal Config:
 
 ```
-curl -L https://github.com/aws/aws-node-termination-handler/releases/download/v1.21.0/all-resources-queue-processor.yaml -o all-resources-queue-processor.yaml
+curl -L https://github.com/aws/aws-node-termination-handler/releases/download/v1.20.0/all-resources-queue-processor.yaml -o all-resources-queue-processor.yaml
 <open all-resources-queue-processor.yaml and update QUEUE_URL value>
 kubectl apply -f ./all-resources-queue-processor.yaml
 ```

config/helm/aws-node-termination-handler/Chart.yaml

@@ -2,8 +2,8 @@ apiVersion: v2
 name: aws-node-termination-handler
 description: A Helm chart for the AWS Node Termination Handler.
 type: application
-version: 0.23.0
-appVersion: 1.21.0
+version: 0.22.0
+appVersion: 1.20.0
 kubeVersion: ">= 1.16-0"
 keywords:
   - aws