fix: broken links due to cpp split

[agoose77]

Fixes #2081

We will also need to update our Git workflow such that C++ releases are assigned tags.

[codecov]

Codecov Report

Merging #2087 (c216308) into main (c4cb717) will decrease coverage by 0.08%.
The diff coverage is n/a.

Additional details and impacted files

Impacted Files	Coverage Δ
src/awkward/operations/ak_sort.py	60.00% <0.00%> (-40.00%)	⬇️
src/awkward/operations/ak_argsort.py	75.00% <0.00%> (-25.00%)	⬇️
src/awkward/operations/ak_ones_like.py	90.90% <0.00%> (-9.10%)	⬇️
src/awkward/operations/ak_zeros_like.py	92.85% <0.00%> (-7.15%)	⬇️
src/awkward/operations/ak_ravel.py	93.33% <0.00%> (-6.67%)	⬇️
src/awkward/operations/ak_isclose.py	94.44% <0.00%> (-5.56%)	⬇️
src/awkward/operations/ak_count_nonzero.py	77.27% <0.00%> (-2.73%)	⬇️
src/awkward/operations/ak_nan_to_num.py	98.03% <0.00%> (-1.97%)	⬇️
src/awkward/operations/ak_full_like.py	98.07% <0.00%> (-1.93%)	⬇️
src/awkward/operations/ak_all.py	78.26% <0.00%> (-1.74%)	⬇️
... and 14 more

[agoose77]

The branch preview try-it link can be used to verify that the following links to the correct URL:

ak.to_regular([
    [1,2,3],
    [4,5]
])

[jpivarski]

Looks great! With this one small fix: