PingSource is v1 (#4294)

* PingSource is v1

* more v1beta2 to v1

docs/developer/eventing/sources/ping-source/ping-source-binary.yaml

@@ -1,4 +1,4 @@
-apiVersion: sources.knative.dev/v1beta2
+apiVersion: sources.knative.dev/v1
 kind: PingSource
 metadata:
   name: test-ping-source-binary

docs/developer/eventing/sources/ping-source/ping-source.yaml

@@ -1,4 +1,4 @@
-apiVersion: sources.knative.dev/v1beta2
+apiVersion: sources.knative.dev/v1
 kind: PingSource
 metadata:
   name: test-ping-source

docs/eventing/flows/sequence/sequence-reply-to-event-display/README.md

@@ -143,7 +143,7 @@ This will create a PingSource which will send a CloudEvent with {"message":
 "Hello world!"} as the data payload every 2 minutes.
 
 ```yaml
-apiVersion: sources.knative.dev/v1beta2
+apiVersion: sources.knative.dev/v1
 kind: PingSource
 metadata:
   name: ping-source

docs/eventing/flows/sequence/sequence-reply-to-event-display/ping-source.yaml

@@ -1,4 +1,4 @@
-apiVersion: sources.knative.dev/v1beta2
+apiVersion: sources.knative.dev/v1
 kind: PingSource
 metadata:
   name: ping-source

docs/eventing/flows/sequence/sequence-reply-to-sequence/README.md

@@ -223,7 +223,7 @@ This will create a PingSource which will send a CloudEvent with
 `{"message": "Hello world!"}` as the data payload every 2 minutes.
 
 ```yaml
-apiVersion: sources.knative.dev/v1beta2
+apiVersion: sources.knative.dev/v1
 kind: PingSource
 metadata:
   name: ping-source

docs/eventing/flows/sequence/sequence-reply-to-sequence/ping-source.yaml

@@ -1,4 +1,4 @@
-apiVersion: sources.knative.dev/v1beta2
+apiVersion: sources.knative.dev/v1
 kind: PingSource
 metadata:
   name: ping-source

docs/eventing/flows/sequence/sequence-terminal/README.md

@@ -117,7 +117,7 @@ This will create a PingSource which will send a CloudEvent with
 `{"message": "Hello world!"}` as the data payload every 2 minutes.
 
 ```yaml
-apiVersion: sources.knative.dev/v1beta2
+apiVersion: sources.knative.dev/v1
 kind: PingSource
 metadata:
   name: ping-source

docs/eventing/flows/sequence/sequence-terminal/ping-source.yaml

@@ -1,4 +1,4 @@
-apiVersion: sources.knative.dev/v1beta2
+apiVersion: sources.knative.dev/v1
 kind: PingSource
 metadata:
   name: ping-source

docs/eventing/flows/sequence/sequence-with-broker-trigger/README.md

@@ -146,7 +146,7 @@ This will create a PingSource which will send a CloudEvent with {"message":
 "Hello world!"} as the data payload every 2 minutes.
 
 ```yaml
-apiVersion: sources.knative.dev/v1beta2
+apiVersion: sources.knative.dev/v1
 kind: PingSource
 metadata:
   name: ping-source

docs/eventing/flows/sequence/sequence-with-broker-trigger/ping-source.yaml

@@ -1,4 +1,4 @@
-apiVersion: sources.knative.dev/v1beta2
+apiVersion: sources.knative.dev/v1
 kind: PingSource
 metadata:
   name: ping-source

docs/eventing/samples/parallel/multiple-branches/README.md

@@ -152,7 +152,7 @@ This will create a PingSource which will send a CloudEvent with
 `{"message": "Even or odd?"}` as the data payload every minute.
 
 ```yaml
-apiVersion: sources.knative.dev/v1beta2
+apiVersion: sources.knative.dev/v1
 kind: PingSource
 metadata:
   name: ping-source

docs/eventing/samples/parallel/multiple-branches/ping-source.yaml

@@ -1,4 +1,4 @@
-apiVersion: sources.knative.dev/v1beta2
+apiVersion: sources.knative.dev/v1
 kind: PingSource
 metadata:
   name: ping-source

docs/eventing/samples/parallel/mutual-exclusivity/README.md

@@ -135,7 +135,7 @@ This will create a PingSource which will send a CloudEvent with
 `{"message": "Even or odd?"}` as the data payload every minute.
 
 ```yaml
-apiVersion: sources.knative.dev/v1beta2
+apiVersion: sources.knative.dev/v1
 kind: PingSource
 metadata:
   name: me-ping-source

docs/eventing/samples/parallel/mutual-exclusivity/ping-source.yaml

@@ -1,4 +1,4 @@
-apiVersion: sources.knative.dev/v1beta2
+apiVersion: sources.knative.dev/v1
 kind: PingSource
 metadata:
   name: me-ping-source

tutorials/katacoda/3-eventing-intro-channels/step2.md

@@ -28,7 +28,7 @@ which means there's a tight coupling between the producer and consumer.
 
 ```
 cat <<EOF | kubectl create -f -
-apiVersion: sources.knative.dev/v1beta2
+apiVersion: sources.knative.dev/v1
 kind: PingSource
 metadata:
   name: test-ping-source
@@ -63,7 +63,7 @@ Let us create the second producer:
 
 ```
 cat <<EOF | kubectl create -f -
-apiVersion: sources.knative.dev/v1beta2
+apiVersion: sources.knative.dev/v1
 kind: PingSource
 metadata:
   name: test-ping-source2

tutorials/katacoda/3-eventing-intro-channels/step3.md

@@ -88,7 +88,7 @@ there’s no longer a tight coupling between the producer and consumer.
 
 ```
 cat <<EOF | kubectl create -f -
-apiVersion: sources.knative.dev/v1beta2
+apiVersion: sources.knative.dev/v1
 kind: PingSource
 metadata:
   name: test-ping-source-channel

tutorials/katacoda/3-eventing-intro-channels/step4.md

@@ -75,7 +75,7 @@ Finally, create the producer to create the event:
 
 ```
 cat <<EOF | kubectl create -f -
-apiVersion: sources.knative.dev/v1beta2
+apiVersion: sources.knative.dev/v1
 kind: PingSource
 metadata:
   name: ping-source-sequence