3.5.5

What's Changed

• Fix github url strings (org edx -> openedx) by @sarina in #177
• Add common-constraints to docs requirements by @jansenk in #186
• Update standard workflow files by @feanil in #188
• Remove repo specific CONTRIBUTING.rst by @feanil in #190
• Update the contributing guidelines link by @feanil in #194
• Add migrations check by @nsprenkle in #196

Full Changelog: 3.5.4...3.5.5