Added oidcToken to pubsub api.

Signed-off-by: Modular Magician <magic-modules@google.com>

plugins/modules/gcp_pubsub_subscription_info.py

@@ -127,6 +127,31 @@ resources:
       returned: success
       type: complex
       contains:
+        oidcToken:
+          description:
+          - If specified, Pub/Sub will generate and attach an OIDC JWT token as an
+            Authorization header in the HTTP request for every pushed message.
+          returned: success
+          type: complex
+          contains:
+            serviceAccountEmail:
+              description:
+              - Service account email to be used for generating the OIDC token.
+              - The caller (for subscriptions.create, subscriptions.patch, and subscriptions.modifyPushConfig
+                RPCs) must have the iam.serviceAccounts.actAs permission for the service
+                account.
+              returned: success
+              type: str
+            audience:
+              description:
+              - 'Audience to be used when generating OIDC token. The audience claim
+                identifies the recipients that the JWT is intended for. The audience
+                value is a single case-sensitive string. Having multiple values (array)
+                for the audience field is not supported. More info about the OIDC
+                JWT token audience here: U(https://tools.ietf.org/html/rfc7519#section-4.1.3)
+                Note: if not specified, the Push endpoint URL will be used.'
+              returned: success
+              type: str
         pushEndpoint:
           description:
           - A URL locating the endpoint to which messages should be pushed.