feat: Add new credentials for the HTTP Request node (#9833)

Co-authored-by: Jonathan Bennetts <jonathan.bennetts@gmail.com>
Co-authored-by: Shireen Missi <94372015+ShireenMissi@users.noreply.github.com>

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

@@ -0,0 +1,37 @@
+import type { IAuthenticateGeneric, ICredentialType, INodeProperties } from 'n8n-workflow';
+
+export class DynatraceApi implements ICredentialType {
+	name = 'dynatraceApi';
+
+	displayName = 'DynatraceAPI';
+
+	documentationUrl = 'dynatrace';
+
+	icon = { light: 'file:icons/Dynatrace.svg', dark: 'file:icons/Dynatrace.svg' } as const;
+
+	httpRequestNode = {
+		name: 'Dynatrace',
+		docsUrl: 'https://docs.dynatrace.com/docs/dynatrace-api',
+		apiBaseUrlPlaceholder: 'https://{your-environment-id}.live.dynatrace.com/api/v2/events',
+	};
+
+	properties: INodeProperties[] = [
+		{
+			displayName: 'API Key',
+			name: 'apiKey',
+			required: true,
+			type: 'string',
+			typeOptions: { password: true },
+			default: '',
+		},
+	];
+
+	authenticate: IAuthenticateGeneric = {
+		type: 'generic',
+		properties: {
+			headers: {
+				Authorization: '=Api-Token {{$credentials.apiKey}}',
+			},
+		},
+	};
+}