Expose P_CheckSkyHit to Lua

See merge request STJr/SRB2!2000

Expose P_DoSpinDashDust to Lua

See merge request STJr/SRB2!1998

Expose FollowMobj-related functions to Lua

See merge request STJr/SRB2!1994

Expose P_TouchSpecialThing to Lua

See merge request STJr/SRB2!1993

Expose P_GivePlayerSpheres to Lua

See merge request STJr/SRB2!1996

Limit builds to just "Windows x86" and "Debian stable:amd64", all other builds can be started manually

Fix bugs with preset values in lua cvars

See merge request STJr/SRB2!1484

Expose more thrust functions to Lua

See merge request STJr/SRB2!1493

Combine vid.dupx and vid.dupy

See merge request STJr/SRB2!1118

Blue spring balls

See merge request STJr/SRB2!1282

Possible fix for Leader of the Chaotix bug (credit Zwip Zwap Zapony)

Closes #1135

See merge request STJr/SRB2!2183

Fix saturation not being applied on colormaps in OpenGL

Closes #920

See merge request STJr/SRB2!2151

Fix saturation not being applied on console on OpenGL

See merge request STJr/SRB2!2149

Revert "Merge branch 'master' into next"

See merge request STJr/SRB2!2187

Update .gitlab-ci.yml file

See merge request STJr/SRB2!2186

Add ARM64=1 for arm build

This reverts commit b26cf524, reversing
changes made to a68440c4.

Now, try compiling with musl on Debian testing