test.yml set MSRV for test #2746

Job	Run time
check-docs	39s
alternative_targets (ubuntu-latest, wasm32-unknown-emscripten)	34s
cross-tests (ubuntu-latest)	1m 44s
alternative_targets (ubuntu-latest, aarch64-apple-ios)	13s
cross-targets (x86_64-sun-solaris)	1m 43s
alternative_targets (ubuntu-latest, aarch64-linux-android)	30s
features_check (ubuntu-latest)	4m 46s
no_std (ubuntu-latest, thumbv6m-none-eabi)	15s
rust_msrv (ubuntu-latest)	4m 55s
features_check (macos-latest)	13m 34s
no_std (ubuntu-latest, x86_64-fortanix-unknown-sgx)	27s
rust_versions (ubuntu-latest, stable)	1m 7s
features_check (windows-latest)	14m 59s
rust_versions (ubuntu-latest, beta)	1m 8s
test_wasi (ubuntu-latest, wasm32-wasi)	18s
rust_versions (ubuntu-latest, nightly)	1m 25s
test_wasm (ubuntu-latest)	15s
timezones (ubuntu-latest, ACST-9:30)	1m 24s
timezones (ubuntu-latest, EST4)	1m 23s
timezones (ubuntu-latest, UTC0)	2m 17s
timezones (ubuntu-latest, Asia/Katmandu)	2m 42s
timezones (macos-latest, ACST-9:30)	44s
timezones (macos-latest, EST4)	45s
timezones (macos-latest, UTC0)	1m 18s
timezones (macos-latest, Asia/Katmandu)	1m 12s
timezones (windows-latest, ACST-9:30)	3m 9s
timezones (windows-latest, EST4)	2m 31s
timezones (windows-latest, UTC0)	1m 16s
timezones (windows-latest, Asia/Katmandu)	2m 56s
	1h 10m 9s

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