Ring Racers' object file output is considerably larger than SRB2.
50M is insufficient to hold even a single build.

The singular .gitlab-ci.yml is pretty beefy. Splitting it into
smaller files by job and job template will make maintaining the
individual jobs easier.

Fix backwards compat for SPR2 Super (resolves #1225)

Closes #1225

See merge request STJr/SRB2!2410

Fix buffer overflow when invoking MusicChange hook

See merge request STJr/SRB2!2441

Fix SOC freeslotting including trailing spaces in constant names

See merge request STJr/SRB2!2415

Sprite names up to 64 character long and 256 frames per sprite

See merge request STJr/SRB2!2394

replace CPM with vcpkg

See merge request STJr/SRB2!2321

Make Extra Time powerup work in old-style special stages

See merge request STJr/SRB2!2292

Support LF_MIXNIGHTSCOUNTDOWN for old-style special stages

See merge request STJr/SRB2!2291

Fix softlock on old special stages when running out of time due to being hit

See merge request STJr/SRB2!2398