[Parser] Go back to "sub final" intead of "sub open"

[tlively]

The planned spec change to use "sub open" never came together, so the standard
format remains "sub final".

[tlively]

Current dependencies on/for this PR:

• main
  • PR [Parser] Parse folded instructions that contain parentheses #6196
    • PR Drop support for type annotations on array.len #6197
      • PR [Parser] Parse br_on_cast{_fail} input annotations #6198
        • PR [Parser] Go back to "sub final" intead of "sub open" #6199 👈
          • PR Use the standard shared memory text format #6200

This stack of pull requests is managed by Graphite.

[kripken]

Do you have a link to that discussion?

[tlively]

Discussion here: WebAssembly/gc#423

[tlively]

Merge activity

• Jan 3, 5:05 PM: Graphite rebased this pull request as part of a merge.
• Jan 3, 5:32 PM: @tlively merged this pull request with Graphite.