add sendBridgeClaim cli

[juniuszhou]

The PR add a new cli for eblayer to send bridge claim to sifchain.

[codecov[bot]]

Codecov Report

Merging #3392 (3f59ae2) into master (0c63583) will decrease coverage by 0.19%. The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master    #3392      +/-   ##
==========================================
- Coverage   43.35%   43.16%   -0.20%     
==========================================
  Files         166      167       +1     
  Lines       15895    15965      +70     
==========================================
  Hits         6891     6891              
- Misses       8591     8661      +70     
  Partials      413      413              

Impacted Files	Coverage Δ
cmd/ebrelayer/main.go	0.00% <0.00%> (ø)
cmd/ebrelayer/sendBridgeClaim.go	0.00% <0.00%> (ø)