Adds vscode keys - since they can be large (#5420)

CHANGELOG.md

@@ -4,6 +4,10 @@ Please add one entry in this file for each change in Yarn's behavior. Use the sa
 
 ## Master
 
+- Ignores potentially large vscode keys in package.json to avoid E2BIG errors.
+
+  [#7419](https://github.com/yarnpkg/yarn/pull/7419) - [**Eric Amodio**](https://twitter.com/eamodio)
+
 - Enforces https for the Yarn and npm registries.
 
   [#7393](https://github.com/yarnpkg/yarn/pull/7393) - [**Maël Nison**](https://twitter.com/arcanis)

src/util/execute-lifecycle-script.js

@@ -18,7 +18,13 @@ export type LifecycleReturn = Promise<{
   stdout: string,
 }>;
 
-export const IGNORE_MANIFEST_KEYS: Set<string> = new Set(['readme', 'notice', 'licenseText']);
+export const IGNORE_MANIFEST_KEYS: Set<string> = new Set([
+  'readme',
+  'notice',
+  'licenseText',
+  'activationEvents',
+  'contributes',
+]);
 
 // We treat these configs as internal, thus not expose them to process.env.
 // This helps us avoid some gyp issues when building native modules.