avoid Component.defaultProps for icon components

[thomasheyenbrock]

Setting Component.defaultProps issues some warnings in the console as the feature is considered deprecated. Replacing it with spreading component props with a default value instead.

[changeset-bot]

🦋 Changeset detected

Latest commit: 34fc275

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 4 packages

Name	Type
@graphiql/react	Patch
@graphiql/plugin-code-exporter	Patch
@graphiql/plugin-explorer	Patch
graphiql	Patch

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 55.32%. Comparing base (e3ca774) to head (34fc275).

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3602   +/-   ##
=======================================
  Coverage   55.31%   55.32%           
=======================================
  Files         115      115           
  Lines        5351     5352    +1     
  Branches     1451     1451           
=======================================
+ Hits         2960     2961    +1     
  Misses       1965     1965           
  Partials      426      426           

Files	Coverage Δ
packages/graphiql-react/src/icons/index.tsx	100.00% <100.00%> (ø)

[github-actions]

The latest changes of this PR are available as canary in npm (based on the declared changesets):

graphiql@3.2.3-canary-0dd016c7.0
@graphiql/plugin-code-exporter@3.0.2-canary-0dd016c7.0
@graphiql/plugin-explorer@3.0.2-canary-0dd016c7.0
@graphiql/react@0.22.2-canary-0dd016c7.0