chore: update vscode to 1.64 (#4902)

* chore: update vscode server files

* chore: update code to 1.64

* refactor: clean up code in constants.ts

* chore: keep package.json vscode cache

* fixup!: formatting

* feat(ci): add VSCODE_CACHE_VERSION

* fix(ci): add package.json for e2e tests

* fix: TS errors

* refactor: remove isConnected e2e tests

test/e2e/codeServer.test.ts

@@ -55,10 +55,6 @@ describe("code-server", true, [], {}, () => {
     expect(await codeServerPage.isEditorVisible()).toBe(true)
   })
 
-  test("should always have a connection", async ({ codeServerPage }) => {
-    expect(await codeServerPage.isConnected()).toBe(true)
-  })
-
   test("should show the Integrated Terminal", async ({ codeServerPage }) => {
     await codeServerPage.focusTerminal()
     expect(await codeServerPage.page.isVisible("#terminal")).toBe(true)