Fixes merge PR not working with GLSM

Author: axosoft-ramint

src/plus/integrations/providers/gitlab.ts

@@ -363,7 +363,7 @@ abstract class GitLabIntegrationBase<
 	}
 
 	protected override async mergeProviderPullRequest(
-		_session: AuthenticationSession,
+		{ accessToken }: AuthenticationSession,
 		pr: PullRequest,
 		options?: {
 			mergeMethod?: PullRequestMergeMethod;
@@ -379,6 +379,7 @@ abstract class GitLabIntegrationBase<
 				...options,
 				isPAT: isEnterprise,
 				baseUrl: isEnterprise ? `https://${this.domain}` : undefined,
+				accessToken: accessToken,
 			});
 			return res;
 		} catch (ex) {

src/plus/integrations/providers/providersApi.ts

@@ -721,12 +721,17 @@ export class ProvidersApi {
 		providerId: IntegrationId,
 		pr: PullRequest,
 		options?: {
+			accessToken?: string;
 			mergeMethod?: PullRequestMergeMethod;
 			isPAT?: boolean;
 			baseUrl?: string;
 		},
 	): Promise<boolean> {
-		const { provider, token } = await this.ensureProviderTokenAndFunction(providerId, 'mergePullRequestFn');
+		const { provider, token } = await this.ensureProviderTokenAndFunction(
+			providerId,
+			'mergePullRequestFn',
+			options?.accessToken,
+		);
 		const headRef = pr.refs?.head;
 		if (headRef == null) return false;