Upgrade glimmer-vm

[NullVoxPopuli]

Testing out glimmerjs/glimmer-vm#1690
before merge over there in the VM

I don't expect types to pass with the tarballs included here because the dep graph isn't correct when using tarballs like this.

2025-06-30

Right now, the class of failures are:

• layout is undefined
• can't access property "compile" of undefined (layout -- it's related to the first)