Automatic changelogs using github actions

[ucwong]

No description provided.

[codecov-commenter]

Codecov Report

Merging #552 into master will increase coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #552      +/-   ##
==========================================
+ Coverage   43.41%   43.45%   +0.03%     
==========================================
  Files         363      363              
  Lines       45144    45144              
==========================================
+ Hits        19599    19617      +18     
+ Misses      24168    24153      -15     
+ Partials     1377     1374       -3     

Impacted Files	Coverage Δ
trie/proof.go	76.11% <0.00%> (-1.50%)	⬇️
p2p/discv5/table.go	60.27% <0.00%> (-1.37%)	⬇️
trie/trie.go	83.40% <0.00%> (+0.85%)	⬆️
whisper/whisperv6/whisper.go	55.26% <0.00%> (+0.87%)	⬆️
core/tx_pool.go	77.04% <0.00%> (+0.93%)	⬆️
rpc/client.go	75.49% <0.00%> (+1.98%)	⬆️
rpc/websocket.go	64.04% <0.00%> (+2.24%)	⬆️

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