GAP.jl 0.11.0 released

Today GAP.jl 0.11.0 has been released.

Diff since v0.10.3

Merged pull requests:

• Remove BuildPackages.sh (#860) (@fingolfin)
• Make using and import statements explicit (#972) (@lgoettgens)
• Switch to GAP 4.13.0 (#975) (@fingolfin)
• Let override code also override GAP_lib_jll (#976) (@fingolfin)
• Prepare for GAP 4.13.0 (#977) (@fingolfin)
• Fix #include julia_gc.h to work in GAP 4.13.0, too (#979) (@fingolfin)
• Update to latest Makefile.gappkg (#980) (@fingolfin)
• fix GAP help access for Julia nightly (#981) (@ThomasBreuer)
• read_sysinfo_gap: deal with multiple = on one line (#982) (@fingolfin)

Closed issues:

• Add @gapproperty (#680)
• fgets error when leaving Julia (#971)
• CI tests fail in Julia nightly: terminal not defined in REPL.TerminalMenus (#978)