Remove the nobuild/partialbuildmethod tests from python_bindings/ (ha…

…lide#6668)

They no longer serve a purpose and are redundant to other tests.

Delete test that relies on features not backported

Bump version to 13.0.3

Bump versions to 13.0.2

Bump latest version to v13.0.1 in README.md

[hannk] augment L2NormOp to allow specifying axis (halide#6335)

Set version to 12.0.1

Update README for Halide 12 release. (halide#6034)

Set version number to 11.0.1

Bump timestamp on branch to appease GitHub