Bitcoin 0.32.2 upgrade

[arik-so]

As the title suggests, but still unfortunately a work in progress.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 82.44804% with 76 lines in your changes missing coverage. Please review.

Project coverage is 90.39%. Comparing base (5ab40b2) to head (36b484a). Report is 48 commits behind head on main.

Files	Patch %	Lines
lightning/src/offers/invoice.rs	57.14%	0 Missing and 9 partials :warning:
lightning/src/io/mod.rs	77.77%	6 Missing and 2 partials :warning:
lightning/src/routing/router.rs	0.00%	7 Missing :warning:
lightning/src/util/sweep.rs	12.50%	6 Missing and 1 partial :warning:
lightning-rapid-gossip-sync/src/processing.rs	25.00%	0 Missing and 6 partials :warning:
lightning/src/util/ser.rs	87.23%	2 Missing and 4 partials :warning:
lightning/src/chain/onchaintx.rs	50.00%	5 Missing :warning:
lightning/src/events/bump_transaction.rs	33.33%	3 Missing and 1 partial :warning:
lightning-invoice/src/lib.rs	84.21%	3 Missing :warning:
lightning-persister/src/fs_store.rs	62.50%	3 Missing :warning:
... and 12 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3239      +/-   ##
==========================================
+ Coverage   89.75%   90.39%   +0.63%     
==========================================
  Files         123      124       +1     
  Lines      102158   107249    +5091     
  Branches   102158   107249    +5091     
==========================================
+ Hits        91695    96947    +5252     
+ Misses       7773     7717      -56     
+ Partials     2690     2585     -105     

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[TheBlueMatt]

We'll probably end up with a handful of followups to upstream stuff to bitcoin-io/drop our usage of Cursor/remove no-std features, but they can be in a followup.