Runtime 2900 release

[github-actions]

Requirements

• Ready for tag

Pre-Release

• Cleanup previous migrations (
  https://github.com/moonbeam-foundation/moonbeam/blob/master/runtime/common/src/migrations.rs)
• Check that proxy types are adapted to extrinsics changes (
  read all PR descriptions with B7-runtimenoteworthy)
• Re-run all extrinsics/hooks benchmarks.
• Run subxt-diff GH workflow to generate RT diffs and merge PR after manual review 👀

Release

• Check all proxy types.
• Re-run all extrinsics/hooks benchmarks.
• Tag master with runtime-2900 and push to github
• Start the github action Publish Runtime Draft
  with runtime-2801 => runtime-2900
  • gh workflow run "Publish Runtime Draft" -r 'master' -f from=runtime-2801 -f to=runtime-2900
• Review the generated Draft and clean a bit the messages if needed (keep it draft)
• Create the tracing runtime on moonbeam-runtime-overrides
  (see https://github.com/moonbeam-foundation/moonbeam-runtime-overrides/blob/master/README.md)
• Upgrade typescript API: Start the github action "Upgrade typescript API"
• Add new tracing substitute in network configuration
• Upgrade stagenet
• Create new tracing image for partners: start the github action Publish Docker
  with v0.37.0 and master
• Upgrade alphanet
• When everything is ok, publish the draft release

Post Release

• Publish the docker runtime image (trigger the github action "Publish Docker runtime")
  • gh workflow run "Publish Runtime Draft" -r 'master' -f from=runtime-runtime-2801 -f to=runtime-runtime-2900
• Create a PR that increment spec version (like upgrade runtime to 1001 #1051)