Texlive is in wrong toolchain

[surak]

https://github.com/easybuilders/JSC/blob/2023/Golden_Repo/t/texlive/texlive-20220321-GCCcore-11.3.0.eb

Texlive is gcccore (and it was fixed in the internal repo) but here the file is named GCCcore but the toolchain is GCC.

Submitting now a pull request