Create MAINTENANCE_STANDARDS.md #26458

Job	Run time
Updater	2m 26s
integration	3m 32s
Lint	1m 9s
ci (bundler, bundler1, bundler)	12s
ci (bundler, bundler2, bundler)	11s
ci (cargo, cargo, cargo)	12s
ci (common, common, common)	52s
ci (composer, composer, composer)	11s
ci (docker, docker, docker)	9s
ci (elm, elm, elm)	12s
ci (git_submodules, git_submodules, gitsubmodule)	10s
ci (github_actions, github_actions, github-actions)	11s
ci (go_modules, go_module, gomod)	12s
ci (gradle, gradle, gradle)	14s
ci (hex, hex, mix)	10s
ci (maven, maven, maven)	11s
ci (npm_and_yarn, npm_and_yarn, npm)	10s
ci (nuget, nuget, nuget)	13s
ci (pub, pub, pub)	13s
ci (python, python, pip)	9s
ci (python, python_slow, pip)	10s
ci (swift, swift, swift)	10s
ci (devcontainers, devcontainers, devcontainers)	11s
ci (terraform, terraform, terraform)	11s
	11m 41s

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