feat: Updated multiple credentials with tests and allow to be used on HTTP Request Node (#3670)

* Notion cred updated

* Airtable new cred

* revamped twilio cred

* urlscanlo revamp cred

* Wordpress revamp cred with testing

* SendGrid cred revamped

* 🐛 Fix imports

* 🐛  Fixes imports in urlscanio

* Fix airtable cred injection

* Fixes notion request, changes way of cred injection

* Change auth type from method to generic

* Fix minor issues

* Fix lint issue

Co-authored-by: Omar Ajoue <krynble@gmail.com>

packages/nodes-base/credentials/SendGridApi.credentials.ts

@@ -1,4 +1,5 @@
 import {
+	IAuthenticateGeneric,
 	ICredentialType,
 	INodeProperties,
 } from 'n8n-workflow';
@@ -15,4 +16,12 @@ export class SendGridApi implements ICredentialType {
 			default: '',
 		},
 	];
+	authenticate = {
+		type: 'generic',
+		properties: {
+			headers: {
+				Authorization: '=Bearer {{$credentials.apiKey}}',
+			},
+		},
+	} as IAuthenticateGeneric;
 }