Fixed some typos in about-github-for-enterprises.md

[ewega]

Fixed some typos to "lifecycle"

Why:

No issue. There a few typos in the content/admin/overview/about-github-for-enterprises.md file (specifically lifecycle vs lifecyle)

What's being changed (if available, include any code snippets, screenshots, or gifs):

Check off the following:

• I have reviewed my changes in staging (look for the "Automatically generated comment" and click the links in the "Preview" column to view your latest changes).
• For content changes, I have completed the self-review checklist.

[welcome]

Thanks for opening this pull request! A GitHub docs team member should be by to give feedback soon. In the meantime, please check out the contributing guidelines.

[github-actions]

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The table contains an overview of files in the content directory that have been changed in this pull request. It's provided to make it easy to review your changes on the staging site. Please note that changes to the data directory will not show up in this table.

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Content directory changes

You may find it useful to copy this table into the pull request summary. There you can edit it to share links to important articles or changes and to give a high-level overview of how the changes in your pull request support the overall goals of the pull request.

Source	Preview	Production	What Changed
admin/overview/about-github-for-enterprises.md	ghec ghes@ 3.6 3.5 3.4 3.3 3.2 ghae	ghec ghes@ 3.6 3.5 3.4 3.3 3.2 ghae

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fpt: Free, Pro, Team
ghec: GitHub Enterprise Cloud
ghes: GitHub Enterprise Server
ghae: GitHub AE

[cmwilson21]

👋 @Eldrick19 Thanks so much for opening a PR! I'll get this triaged for review ⚡

[lecoursen]

Thanks @Eldrick19!! How embarrassing. 😄 I'll merge this now. ⚡

[github-actions]

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