fix: fix to input value to GITHUB_OUTPUT correctly

[ulbqb]

Description

https://github.com/line/ostracon/actions/runs/3589776951/jobs/6042534542
The e2e test always seem to fail in build phase. I fixed to input value to GITHUB_OUTPUT correctly.

[codecov]

Codecov Report

Merging #518 (5bf2579) into main (07a894b) will increase coverage by 0.00%.
The diff coverage is 100.00%.

❗ Current head 5bf2579 differs from pull request most recent head 5e75579. Consider uploading reports for the commit 5e75579 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #518   +/-   ##
=======================================
  Coverage   65.62%   65.62%           
=======================================
  Files         279      279           
  Lines       38032    38030    -2     
=======================================
+ Hits        24957    24959    +2     
+ Misses      11276    11273    -3     
+ Partials     1799     1798    -1     

Impacted Files	Coverage Δ
consensus/state.go	74.05% <ø> (+0.43%)	⬆️
types/params.go	78.99% <ø> (ø)
types/voter_set.go	85.20% <100.00%> (+0.42%)	⬆️
libs/events/events.go	93.23% <0.00%> (-5.27%)	⬇️
privval/socket_listeners.go	79.72% <0.00%> (-4.06%)	⬇️
privval/signer_listener_endpoint.go	88.88% <0.00%> (-2.39%)	⬇️
p2p/switch.go	65.08% <0.00%> (-1.45%)	⬇️
p2p/pex/addrbook.go	71.57% <0.00%> (-0.51%)	⬇️
types/block.go	77.21% <0.00%> (+0.10%)	⬆️
blockchain/v0/pool.go	79.84% <0.00%> (+0.25%)	⬆️
... and 6 more