chore: Update actions/create-github-app-token action to v3

[grafanarenovatebot]

This PR contains the following updates:

Package	Type	Update	Change
actions/create-github-app-token	action	major	v2.2.1 → v3.0.0

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Release Notes

actions/create-github-app-token (actions/create-github-app-token)

v3.0.0

Compare Source

• feat!: node 24 support (#​275) (2e564a0)
• fix!: require NODE_USE_ENV_PROXY for proxy support (#​342) (4451bcb)

Bug Fixes

• remove custom proxy handling (#​143) (dce0ab0)

BREAKING CHANGES

• Custom proxy handling has been removed. If you use HTTP_PROXY or HTTPS_PROXY, you must now also set NODE_USE_ENV_PROXY=1 on the action step.
• Requires Actions Runner v2.327.1 or later if you are using a self-hosted runner.

v2.2.2

Compare Source

Bug Fixes

• deps: bump @​actions/core from 1.11.1 to 3.0.0 (#​337) (b044133)
• deps: bump minimatch from 9.0.5 to 9.0.9 (#​335) (5cbc656)
• deps: bump the production-dependencies group with 4 updates (#​336) (6bda5bc)
• deps: bump undici from 7.16.0 to 7.18.2 (#​323) (b4f638f)

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