ci: add pr label check and auto pr labeler

[DeepakBomjan]

No description provided.

[codecov]

Codecov Report

Merging #149 (4aadbed) into main (f7d3413) will decrease coverage by 0.07%.
Report is 23 commits behind head on main.
The diff coverage is 9.09%.

❗ Current head 4aadbed differs from pull request most recent head 2f99995. Consider uploading reports for the commit 2f99995 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #149      +/-   ##
==========================================
- Coverage   11.59%   11.53%   -0.07%     
==========================================
  Files          83       83              
  Lines       19621    19753     +132     
==========================================
+ Hits         2275     2278       +3     
- Misses      17102    17227     +125     
- Partials      244      248       +4     

Files Changed	Coverage Δ
relayer/chain.go	5.26% <0.00%> (ø)
relayer/chains/cosmos/keys.go	27.90% <0.00%> (ø)
relayer/chains/icon/icon_chain_processor.go	0.00% <0.00%> (ø)
relayer/chains/icon/msg.go	66.66% <ø> (-4.77%)	⬇️
relayer/chains/icon/query.go	0.00% <0.00%> (ø)
relayer/chains/wasm/helper_debug_msg.go	0.00% <0.00%> (ø)
relayer/chains/wasm/keys.go	2.54% <0.00%> (ø)
relayer/chains/wasm/provider.go	23.28% <ø> (-0.59%)	⬇️
relayer/chains/wasm/query.go	0.00% <0.00%> (ø)
relayer/chains/wasm/tx.go	0.00% <0.00%> (ø)
... and 13 more

[debendraoli]

LGTM