Autodoc: std.heap.page_allocator source link points to std.heap.memory_pool

[acgaudette]

how to reproduce:

• visit https://ziglang.org/documentation/master/std/#A;std:heap.page_allocator
• click [src] in the bottom right corner

expected:
https://ziglang.org/documentation/master/std/src/std/heap/PageAllocator.zig.html
found:
https://ziglang.org/documentation/master/std/src/std/heap/memory_pool.zig.html#L10

[acgaudette]

is this url configured manually? if not, how does this sort of thing usually occur?

[rohlem]

possibly related?: #16728