Linter: Don't flag render block locals in erb-no-unused-expressions

[marcoroth]

This pull request updates the erb-no-unused-expressions linter rule to not flag method calls on render block locals anymore.

The following is now valid:

<%= render BlogComponent.new do |component| %>
  <% component.with_header(classes: "title").with_content("My blog") %>
<% end %>

Resolves #1580

[pkg-pr-new]

npx https://pkg.pr.new/@herb-tools/formatter@1587

npx https://pkg.pr.new/@herb-tools/language-server@1587

npx https://pkg.pr.new/@herb-tools/linter@1587

commit: 06fbc38

[github-actions]

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_{🌱 Grown from commit 06fbc38}

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