fix: Stop a tag with href of 'javascript:void 0' from navigating

[retrodaredevil]

I created #3565 to document a bug that I was only able to reproduce with GraphiQL embedded inside of Grafana. Some behavior or bug in Grafana was causing clicking on an a tag with an href of 'javascript:void 0' to navigate away from the page. Although this isn't supposed to happen when the href is 'javascript:void 0', this PR is a one-liner fix to this issue by calling event.preventDefault(), which prevents the default behavior of trying to navigate to javascript:void 0.

Closes #3565

[changeset-bot]

🦋 Changeset detected

Latest commit: 37d0bc2

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

This PR includes changesets to release 5 packages

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

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[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 55.33%. Comparing base (7e86dc4) to head (37d0bc2).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3567      +/-   ##
==========================================
- Coverage   55.34%   55.33%   -0.02%     
==========================================
  Files         115      115              
  Lines        5348     5349       +1     
  Branches     1450     1450              
==========================================
  Hits         2960     2960              
- Misses       1962     1963       +1     
  Partials      426      426              

Files	Coverage Δ
packages/codemirror-graphql/src/info.ts	0.81% <0.00%> (-0.01%)	⬇️

[acao]

makes sense to me!