Remove MSRV variant of connect-tests

[ctz]

MSRV is important (an tested separately) for the core crate (and its dependencies) but doesn't apply to test code.

Run these daily to notice any breakage earlier.

(Currently this is broken due to env_logger -> is-terminal -> rustix -> linux-raw-sys requiring 1.63 -- see https://github.com/rustls/rustls/actions/runs/5531529915/jobs/10092344273 )

[cpu]

Thanks!

[cpu]

rustls / Clippy (pull_request) Failing after 2m

Looks like a small clippy finding bubbling up:

error: use of `default` to create a unit struct
  --> rustls/src/client/builder.rs:45:30
   |
45 |             side: PhantomData::default(),
   |                              ^^^^^^^^^^^ help: remove this call to `default`

[codecov]

Codecov Report

Merging #1358 (de6ce56) into main (9939793) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##             main    #1358   +/-   ##
=======================================
  Coverage   96.39%   96.39%           
=======================================
  Files          61       61           
  Lines       14472    14472           
=======================================
  Hits        13950    13950           
  Misses        522      522           

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