Release 4.0.3

[emscripten-bot]

With emscripten-releases revisions:
https://chromium.googlesource.com/emscripten-releases/+/de2109f0e5e7278d470da11de526aed16c527722 (LTO)
https://chromium.googlesource.com/emscripten-releases/+/bae6703fb819bd84fb4dfb5e87b41cf93b6d3f2b (asserts)

[sbc100]

@dschuff can we fix the bot so it doesn't create branches called "create-pull-request/patch"? Can we give the branches meaningful names instead? Then I think they won't clobber each other either.

[dschuff]

Maybe. there are some options on https://github.com/marketplace/actions/create-pull-request
Do we have the setting to automatically delete branches on merge enabled? (The action can't delete branches on merge itself, because merging doesn't re-trigger the action).

[dschuff]

We can change the branch name to whatever, but if not re-using branches is what you want it sounds like what you want is maybe the "alternative strategy" where it always just creates a new branch?

[sbc100]

We can change the branch name to whatever, but if not re-using branches is what you want it sounds like what you want is maybe the "alternative strategy" where it always just creates a new branch?

Can we just call the branch release_X.Y.Z?

[dschuff]

Worth a shot: #1522