Make benchmarks rebuild, consistent

Author: Wynand

.github/workflows/CI.yml

@@ -84,6 +84,8 @@ jobs:
           git fetch origin +:refs/remotes/origin/HEAD
           julia --project=benchmark/ -e 'using Pkg; Pkg.instantiate(); Pkg.develop(PackageSpec(path=pwd()))'
           julia --project=benchmark/ -e 'using PkgBenchmark, TimeZones; export_markdown(stdout, judge(TimeZones, "origin/HEAD", verbose=false))'
+        env:
+          TZDATA_VERSION: 2016j  # Matches tzdata version used in tests
 
   doctest:
     name: Documentation - Julia ${{ matrix.version }}

benchmark/benchmarks.jl

@@ -11,7 +11,7 @@ function gen_range(num_units::Period, tz::TimeZone)
     return StepRange(zdt, oneunit(num_units), zdt + num_units)
 end
 
-build()
+build("2016j") # consistent with tests
 
 include("tzdata.jl")
 include("interpret.jl")