Revert "ci: disable lint check in the update test"

[dgp1130]

Re-enabling the lint check to merge once 11.0.0-next.4 is released.

I'll leave this PR in the blocked state until the version is released and angular/angular#39070 is merged. Once those have both happened, it should be safe to merge this as well.

[dgp1130]

The relevant blocking PR was merged, however it was reverted in angular/angular#39082 because it is not compatible with TS 3.9 which is still used in google3. I'm looking for a solution that will be compatible with both versions and we can re-enable this test once that lands.

[dgp1130]

I have a fix in angular/angular#39102, where using ts.createIdentifier() is able to make a single quoted string literal in both TS 3.9 and TS 4.0. This should be compatible with google3.

[dgp1130]

The fix was merged and doesn't appear to have been rolled back yet, so I think it's safe to merge this PR and re-enable the lint check.

[dgp1130]

Actually, CI is still failing for this PR itself, because the fix on angular/angular has not been released and included in the CLI. I think we'll also need to wait for that, so I'll need to follow up next week on this.

[dgp1130]

@alan-agius4 pointed out that e2e tests load FW from NPM, so we only need FW to release the migration fix, not the CLI.

This should be unblocked now.

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