Update dependency @actions/github to v9

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
@actions/github (source)	^2.2.0 → ^9.0.0

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Release Notes

actions/toolkit (@​actions/github)

v9.1.1

• Bump undici from 6.23.0 to 6.24.0 #​2346

v9.1.0

• Append actions_orchestration_id to user-agent when the ACTIONS_ORCHESTRATION_ID environment variable is set #​2364

v9.0.0

• Breaking change: Package is now ESM-only
  • CommonJS consumers must use dynamic import() instead of require()
  • Example: const { getOctokit, context } = await import('@​actions/github')
• Fix TypeScript compilation by migrating to ESM, enabling proper imports from @octokit/core/types

v8.0.1

• Update undici to 6.23.0
• Update @actions/http-client to 3.0.2

v8.0.0

• Update @​octokit dependencies
  • @octokit/core ^7.0.6
  • @octokit/plugin-paginate-rest ^14.0.0
  • @octokit/plugin-rest-endpoint-methods ^17.0.0
  • @octokit/request ^10.0.7
  • @octokit/request-error ^7.1.0
• Breaking change: Minimum Node.js version is now 20 (previously 18)

v7.0.0

• Update to v3.0.1 of @actions/http-client

v6.0.1

• Dependency updates #​2043
• Add context.runAttempt #​1588

v6.0.0

• Support the latest Octokit in @​actions/github #​1553
  • Drop support of NodeJS v14, v16

v5.1.1

• Export default octokit options #​1188

v5.1.0

• Add additionalPlugins parameter to getOctokit method #​1181
• Dependency updates #​1180

v5.0.3

• • Update to v2.0.1 of @actions/http-client #​1087

v5.0.2

• Update to v2.0.0 of @actions/http-client

v5.0.1

• Update Octokit Dependencies

v5.0.0

• Update @​actions/github to include latest octokit definitions
• Add urls to context

v4.0.0

• Add execution state information to context
• Update Octokit Dependencies with some api breaking changes
  • The full list of api changes are here
  • GitHub.plugin() no longer supports an array as first argument. Multiple args must be passed in instead.

v3.0.0

• Swap to @​octokit/core and use plugins to leverage lastest octokit apis
• Add comment field to payload context

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