chore: move supports-unicode to workspace deps

[weihanglo]

We should have a lint for it :)

[rustbot]

r? @ehuss

rustbot has assigned @ehuss.
They will have a look at your PR within the next two weeks and either review your PR or reassign to another reviewer.

Use r? to explicitly pick a reviewer

[weihanglo]

Unordered output failed the assertion. A fix is up: #14855

Re-queue and see if we have luck.

---- freshness::rebuild_tests_if_lib_changes stdout ----
running `/home/runner/work/cargo/cargo/target/debug/cargo build`
running `/home/runner/work/cargo/cargo/target/debug/cargo test`
running `/home/runner/work/cargo/cargo/target/debug/cargo build -v`
running `/home/runner/work/cargo/cargo/target/debug/cargo test -v`
error: test failed, to rerun pass `-p cargo --test testsuite`
thread 'freshness::rebuild_tests_if_lib_changes' panicked at tests/testsuite/freshness.rs:633:10:

---- expected: tests/testsuite/freshness.rs:623:27
++++ actual:   stderr
   1    1 | [DIRTY] foo v0.0.1 ([ROOT]/foo): the dependency foo was rebuilt ([TIME_DIFF_AFTER_LAST_BUILD])
   2    2 | [COMPILING] foo v0.0.1 ([ROOT]/foo)
   3    3 | [RUNNING] `rustc --crate-name foo [..]
   4      - [RUNNING] `rustc --crate-name foo [..]
   5    4 | error[E0425]: cannot find function `foo` in crate `foo`
        5 +  --> tests/foo.rs:4:34
   6    6 | ...
   7    7 | [ERROR] could not compile `foo` (test "foo") due to 1 previous error
   8    8 | ...∅