v0.7.69

nv2a: Ensure SurfaceBinding.size can always fit surface

It is possible to specify a pitch that is smaller than the native size of a
surface (i.e., `pitch < width * bytes_per_pixel`). On hardware this is handled
gracefully, whereas in xemu it will cause buffer overruns when dealing with
swizzling/unswizzling.

Fixes #1152

[Test](https://github.com/abaire/nxdk_pgraph_tests/blob/main/src/tests/surface_pitch_tests.cpp)
[HW Results](https://github.com/abaire/nxdk_pgraph_tests_golden_results/wiki/Results-Surface_pitch)

Note that xemu's swizzling behavior still does not match HW with this change,
it just prevents the test from crashing.