[CUST-5085] fix(credentials): change update method from PUT to PATCH (#712)

Author: radenkovic

src/resources/credentials.ts

@@ -129,7 +129,7 @@ export class Credentials extends Resource {
     requestBody,
     overrides,
   }: UpdateCredentialParams & Overrides): Promise<NylasResponse<Credential>> {
-    return super._update({
+    return super._updatePatch({
       path: makePathParams('/v3/connectors/{provider}/creds/{credentialsId}', {
         provider,
         credentialsId,

tests/resources/credentials.spec.ts

@@ -166,7 +166,7 @@ describe('Credentials', () => {
       });
 
       expect(apiClient.request).toHaveBeenCalledWith({
-        method: 'PUT',
+        method: 'PATCH',
         path: '/v3/connectors/microsoft/creds/microsoft-123',
         body: {
           name: 'Changed Name',