Make `TimeZones.jl` relocatable #1890

Job	Run time
Benchmarks	3m 32s
Documentation - DocTests	47s
Documentation - Deploy	57s
Julia 1.6 - ubuntu-latest - x64	1m 54s
Weakdeps	34s
Julia 1.6 - ubuntu-latest - x86	1m 59s
Julia 1 - ubuntu-latest - x64	2m 15s
Julia 1 - ubuntu-latest - x86	2m 19s
Julia 1 - macos-14 - aarch64	1m 30s
Julia 1 - windows-latest - x64	3m 4s
Julia nightly - ubuntu-latest - x64	1m 41s
Julia nightly - ubuntu-latest - x86	2m 4s
Julia nightly - macos-14 - aarch64	1m 37s
Julia nightly - windows-latest - x64	2m 29s
Julia 1.6 - macos-13 - x64	3m 24s
	30m 6s

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