Detect the current version of rustls before pinning

[TheBlueMatt]

No description provided.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.02%. Comparing base (463e432) to head (9bb6358).
Report is 15 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3521      +/-   ##
==========================================
+ Coverage   88.34%   89.02%   +0.68%     
==========================================
  Files         149      149              
  Lines      112915   116871    +3956     
  Branches   112915   116871    +3956     
==========================================
+ Hits        99753   104044    +4291     
+ Misses      10685    10406     -279     
+ Partials     2477     2421      -56     

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[tnull]

Let's just finally figure out a secondary MSRV target for lightning-transaction-sync and affected crates instead? In the next few days I intend to take a look at potential candidates and propose a target that would make sense for LDK Node, and hopefully it would find adoption by affected BDK crates, too.

[TheBlueMatt]

Sure, we could do that too. We should get that fixed ASAP, though, because it'd be nice to have passing CI to release 0.1...