Further release improvements

[dsherret]

• Improve deno_std's release Improvements to deno_std release std#2078
• Automatically add the text in Release.md when creating the GH draft chore(ci): automatically include releases notes in release draft #14179
• For patch releases, automatically open a PR that forwards all commits created in the release process to the main branch. chore(ci): automatically open PR to forward patch release back to main #14180
• Have docland automatically update itself somehow or automatically open a PR that updates its assets chore: update docland and dotland release instructions #15238
• Automatically open a PR to update dotland's versions.json chore: workflow for automatically updating versions.json dotland#2275
• Automatically open a PR to update deno_docker, then have it automatically tag on merge. For future: Release improvements deno_docker#237
• Maybe automatically tag denoland/manual Won't bother for now.