[v12.x] backport BaseObjectPtr, SetImmediate(), Worker+report

Fun group backport of the following PRs because they all depend on each other:

• https://github.com/nodejs/node/pull/32393
• https://github.com/nodejs/node/pull/31468
• https://github.com/nodejs/node/pull/31502
• https://github.com/nodejs/node/pull/31386
• https://github.com/nodejs/node/pull/30666
• https://github.com/nodejs/node/pull/30374