Cannot read properties of undefined (reading 'parserServices')

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We are on @graphql-eslint/eslint-plugin@4.0.0-alpha.0.

This is our eslintrc

 files: ['*.graphql'],
 parser: '@graphql-eslint/eslint-plugin',
 plugins: ['@graphql-eslint'],
 rules: {
       ....

.graphqlrc.yml

schema:
    - internal/graph/schema/**/*.graphql
    - scripts/**/*.graphql

the above error is coming from

function requireGraphQLSchemaFromContext(ruleId, context) {
  const { schema } = context.sourceCode.parserServices;
  if (!schema)
    throw new Error(
      `Rule \`${ruleId}\` requires graphql-config \`schema\` field to be set and loaded. See https://the-guild.dev/graphql/config/docs/user/schema for more info`
    );
  return schema;
}

and interestingly, if we change context.sourceCode to context.getSourceCode() everything starts working normally.

Appreciate any helps. Thanks

Progress of the issue based on the Contributor Workflow

[ ] 1. The issue provides a reproduction available on GitHub, Stackblitz or CodeSandbox

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Please make sure the graphql-eslint version under package.json matches yours.
[ ] 2. A failing test has been provided
[ ] 3. A local solution has been provided
[ ] 4. A pull request is pending review

Describe the bug

To Reproduce Steps to reproduce the behavior:

Expected behavior

Environment:

OS:
@graphql-eslint/eslint-plugin:
Node.js:

Additional context

dimaMachina / graphql-eslint

Cannot read properties of undefined (reading 'parserServices') #2569

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