CI: fix compile_commands.json caching #6356
Merged
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When the cache for compile_commands.json got reused we didn't install the OCaml compiler, which caused failures in the static analyzer, because it couldn't locate the compiler runtime headers.
Do not skip setup-xapi-environment when the cache is reused.
This could be optimized to skip installing dune packages (install just the compiler), but for now just install everything to avoid the error.
Now when the cache is used we only skip installing/running dune-compiledb.