[tw] Update term to latest version (3/9)

[roseyangwc]

Describe your changes

Update the following terms to remove wha-it-is header, and sync the upstream latest content:

• [x] DevOps
• [x] DevSecOps
• [x] Continuous Integration
• [x] Continuous Delivery
• [x] Continuous Deployment

Related issue number or link (ex: resolves #issue-number)

related https://github.com/cncf/glossary/issues/2662 (don't link to close)

Checklist before opening this PR (put x in the checkboxes)

• [x] This PR does not contain plagiarism
  • don’t copy other people’s work unless you are quoting and contributing it to them.
• [x] I have signed off on all commits
  • signing off (ex: git commit -s) is to affirm that commits comply DCO. If you are working locally, you could add an alias to your gitconfig by running git config --global alias.ci "commit -s".

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