Explicitly Test For Presence Of `vim.hl.range`

[alex-courtis]

Discussed in #3058

^{Originally posted by jordanmpalmer January 31, 2025}
Nvim-tree has suddenly stopped working and has started to give me weird errors. I have not changed anything in my setup. See the errors below.

[alex-courtis]

That was newly added nvim API, which doesn't appear to be present in all versions of 0.11 yet.

It will need to be tested for explicitly.