fix(GitHub Node): Tolerate trailing slash in file path (#15517)

packages/nodes-base/utils/__tests__/utilities.test.ts

@@ -6,6 +6,7 @@ import {
 	fuzzyCompare,
 	getResolvables,
 	keysToLowercase,
+	removeTrailingSlash,
 	shuffleArray,
 	sortItemKeysByPriorityList,
 	wrapData,
@@ -312,3 +313,13 @@ describe('sortItemKeysByPriorityList', () => {
 		expect(Object.keys(result[0].json)).toEqual(['a', 'b', 'd']);
 	});
 });
+
+describe('removeTrailingSlash', () => {
+	it('removes trailing slash', () => {
+		expect(removeTrailingSlash('https://example.com/')).toBe('https://example.com');
+	});
+
+	it('does not change a URL without trailing slash', () => {
+		expect(removeTrailingSlash('https://example.com')).toBe('https://example.com');
+	});
+});