ci: Prevent some more CI failures
ci: Prevent some more CI failures

Many times the CI pipeline fails in the early stages because the APT
repo for LLVM is being updated.
Add a retry mechanism for some more APT commands.

andrewrk/zig,raulgrell/zig,raulgrell/zig,raulgrell/zig,andrewrk/zig,zig-lang/zig,zig-lang/zig,zig-lang/zig,raulgrell/zig,raulgrell/zig