[CI] Bump OPA version in chart to v1.18.0

[superblocksadmin]

Autogenerated PR to bump the App Version in the chart to v1.18.0.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 48.96%. Comparing base (935252e) to head (eee7cb0).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #300   +/-   ##
=======================================
  Coverage   48.95%   48.96%           
=======================================
  Files         307      307           
  Lines       34617    34617           
  Branches     1307     1309    +2     
=======================================
+ Hits        16948    16950    +2     
+ Misses      17066    17063    -3     
- Partials      603      604    +1     

Flag	Coverage Δ
test-go	55.06% <ø> (+0.01%)	⬆️
test-js	43.58% <ø> (ø)
test-py	49.17% <ø> (ø)

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