Make `TimeZones.jl` relocatable #1903

Job	Run time
Benchmarks	3m 46s
Documentation - DocTests	41s
Documentation - Deploy	51s
Julia 1.6 - ubuntu-latest - x64	1m 45s
Julia 1.6 - ubuntu-latest - x86	1m 59s
System Image - Julia 1.6 - ubuntu-latest	3m 18s
Weakdeps	28s
Julia 1 - ubuntu-latest - x64	2m 2s
System Image - Julia 1 - ubuntu-latest	5m 15s
Julia 1 - ubuntu-latest - x86	2m 15s
Julia 1 - macos-14 - aarch64	1m 35s
Julia 1 - windows-latest - x64	2m 56s
Julia nightly - ubuntu-latest - x64	1m 54s
Julia nightly - ubuntu-latest - x86	2m 15s
Julia nightly - macos-14 - aarch64	1m 27s
Julia nightly - windows-latest - x64	2m 36s
Julia 1.6 - macos-13 - x64	2m 58s
	38m 1s

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