frontport: Add CI check on no_std compliance for supported tendermint crates (#1087)

[thanethomson]

Frontport of #1087 to master

[codecov-commenter]

Codecov Report

Merging #1088 (e5308dc) into master (46a4c28) will decrease coverage by 0.1%.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           master   #1088     +/-   ##
========================================
- Coverage    64.7%   64.6%   -0.2%     
========================================
  Files         239     239             
  Lines       20660   20695     +35     
========================================
- Hits        13386   13384      -2     
- Misses       7274    7311     +37     

Impacted Files	Coverage Δ
rpc/src/client/transport/router.rs	75.0% <0.0%> (-1.4%)	⬇️
rpc/src/client/transport/websocket.rs	63.9% <0.0%> (-1.0%)	⬇️
abci/src/application/kvstore.rs	73.6% <0.0%> (-0.9%)	⬇️
abci/src/server.rs	9.2% <0.0%> (-0.3%)	⬇️
config/src/config.rs	55.1% <0.0%> (-0.2%)	⬇️
tendermint/src/node.rs	63.8% <0.0%> (-0.2%)	⬇️
rpc/src/client/bin/main.rs	0.3% <0.0%> (-0.1%)	⬇️

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