core(build): statically evaluate inlined fs-method arguments

[brendankenny]

part of #13231

add support for statically evaluating the arguments to fs methods:

• __dirname and __filename
• string concat
• template strings
• require.resolve
• any path methods that take strings and return a string (path.resolve, path.join, path.relative, etc)

this covers all the things we need to be able to run over the current codebase