Tests fail on Julia 1.13-alpha due to ReTestItems incompatibility

Description

Tests fail on Julia 1.13-alpha (pre) due to an incompatibility in ReTestItems.jl with Julia 1.13's changes to ScopedValues.

Error

ERROR: LoadError: MethodError: no method matching setindex!(::Base.ScopedValues.ScopedValue{Bool}, ::Bool)

Full stack trace from CI:

MethodError: no method matching setindex!(::Base.ScopedValues.ScopedValue{Bool}, ::Bool)
  [6] runtests(shouldrun::Returns{Bool}, paths::String; ...)
     @ ReTestItems ~/.julia/packages/ReTestItems/5fo5Q/src/ReTestItems.jl:347
caused by: TaskFailedException
    nested task error: MethodError: no method matching setindex!(::Base.ScopedValues.ScopedValue{Bool}, ::Bool)

Workaround

Tests on Julia pre have been temporarily skipped in the CI workflow (PR #46).

Upstream Issue

This should be reported/tracked upstream at https://github.com/JuliaTesting/ReTestItems.jl

The issue is that Julia 1.13 changed the ScopedValues API, and ReTestItems.jl needs to be updated for compatibility.

Environment

• Julia version: 1.13.0-alpha2
• ReTestItems version: (from CI cache)

Start by reviewing the CI workflow and PR #46 to understand how Julia pre tests were skipped. Then inspect the ReTestItems.jl failure around src/ReTestItems.jl:347 and the linked upstream project’s compatibility work. Done means the Julia 1.13-alpha test failure is resolved and the temporary CI skip can be reconsidered.