Use bitcoin-kmp 0.13.0

[sstone]

This makes eclair compatible with https://github.com/ACINQ/lightning-kmp/releases/tag/v1.5.1 and https://github.com/ACINQ/lightning-kmp/releases/tag/v1.5.2

[codecov-commenter]

Codecov Report

Merging #2708 (a8ddc1e) into master (ef25e32) will decrease coverage by 0.03%.
The diff coverage is 57.14%.

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@@            Coverage Diff             @@
##           master    #2708      +/-   ##
==========================================
- Coverage   85.91%   85.88%   -0.03%     
==========================================
  Files         215      215              
  Lines       17818    17823       +5     
  Branches      791      761      -30     
==========================================
- Hits        15308    15307       -1     
- Misses       2510     2516       +6     

Files Changed	Coverage Δ
...-core/src/main/scala/fr/acinq/eclair/package.scala	73.52% <ø> (-0.76%)	⬇️
...r-core/src/main/scala/fr/acinq/eclair/Eclair.scala	57.65% <57.14%> (-0.22%)	⬇️

... and 3 files with indirect coverage changes

[t-bast]

LGTM once we're using the 0.29 tag instead of 0.29-SNAPSHOT 👍

[sstone]

LGTM once we're using the 0.29 tag instead of 0.29-SNAPSHOT 👍

Done in 4b3fb1a (bitcoin-lib 0.29 has just been published to maven central)