[CI] Fix Julia version to v1.12.2 in all jobs

[giordano]

There seems to be an issue with Julia v1.12.3 causing all documentation jobs to fail with

ERROR: LoadError: AssertionError: normpath(entry.path) == normpath(path)
Stacktrace:
  [1] write_env(env::Pkg.Types.EnvCache; update_undo::Bool, skip_writing_project::Bool)
    @ Pkg.Types /opt/actions-runner/_work/_tool/julia/1.12.3/x64/share/julia/stdlib/v1.12/Pkg/src/Types.jl:1292
  [2] write_env
    @ /opt/actions-runner/_work/_tool/julia/1.12.3/x64/share/julia/stdlib/v1.12/Pkg/src/Types.jl:1283 [inlined]
  [3] up(ctx::Pkg.Types.Context, pkgs::Vector{PackageSpec}, level::UpgradeLevel; skip_writing_project::Bool, preserve::Nothing)
    @ Pkg.Operations /opt/actions-runner/_work/_tool/julia/1.12.3/x64/share/julia/stdlib/v1.12/Pkg/src/Operations.jl:1986
  [4] up
    @ /opt/actions-runner/_work/_tool/julia/1.12.3/x64/share/julia/stdlib/v1.12/Pkg/src/Operations.jl:1957 [inlined]
  [5] up(ctx::Pkg.Types.Context, pkgs::Vector{PackageSpec}; level::UpgradeLevel, mode::PackageMode, preserve::Nothing, update_registry::Bool, skip_writing_project::Bool, kwargs::@Kwargs{})
    @ Pkg.API /opt/actions-runner/_work/_tool/julia/1.12.3/x64/share/julia/stdlib/v1.12/Pkg/src/API.jl:416
  [6] up
    @ /opt/actions-runner/_work/_tool/julia/1.12.3/x64/share/julia/stdlib/v1.12/Pkg/src/API.jl:386 [inlined]
  [7] up
    @ /opt/actions-runner/_work/_tool/julia/1.12.3/x64/share/julia/stdlib/v1.12/Pkg/src/API.jl:174 [inlined]
  [8] instantiate(ctx::Pkg.Types.Context; manifest::Nothing, update_registry::Bool, verbose::Bool, platform::Base.BinaryPlatforms.Platform, allow_build::Bool, allow_autoprecomp::Bool, workspace::Bool, julia_version_strict::Bool, kwargs::@Kwargs{})
    @ Pkg.API /opt/actions-runner/_work/_tool/julia/1.12.3/x64/share/julia/stdlib/v1.12/Pkg/src/API.jl:1270
  [9] instantiate
    @ /opt/actions-runner/_work/_tool/julia/1.12.3/x64/share/julia/stdlib/v1.12/Pkg/src/API.jl:1243 [inlined]
 [10] instantiate(; kwargs::@Kwargs{})
    @ Pkg.API /opt/actions-runner/_work/_tool/julia/1.12.3/x64/share/julia/stdlib/v1.12/Pkg/src/API.jl:1242
 [11] top-level scope
    @ /opt/actions-runner/_work/_temp/20f2febf-3f15-4533-a6d6-d0b85a76b882:2
 [12] include(mod::Module, _path::String)
    @ Base ./Base.jl:306
 [13] exec_options(opts::Base.JLOptions)
    @ Base ./client.jl:317
 [14] _start()
    @ Base ./client.jl:550

Fixing to v1.12.2 fixes that. I'd suggest merging this somewhat urgently

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

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[giordano]

This is necessary only for the documentation job (apparently workspaces + sources is broken in julia v1.12.3), but I'm suggesting using 1.12.2 everywhere for consistency.

[navidcy]

Is this why Docs don't built in #285?

[giordano]

Quoting from the first message:

There seems to be an issue with Julia v1.12.3 causing all documentation jobs to fail with

🙂

[navidcy]

I missed that 🤦🏽‍♂️
And I was going crazy why locally things seemed to work (with Julia v1.12.2)

Thanks!

[giordano]

For the record, this will be fixed upstream by JuliaLang/Pkg.jl#4568 but we'll have to wait for v1.12.4.