[8.19](backport #43840) Add FIPS indicator to startup and version command

[mergify]

Proposed commit message

Add a boolean FIPS indicator to the version command as well as beat startup logs.

Checklist

• My code follows the style guidelines of this project
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• I have made corresponding change to the default configuration files
• I have added tests that prove my fix is effective or that my feature works
• I have added an entry in CHANGELOG.next.asciidoc or CHANGELOG-developer.next.asciidoc.

Disruptive User Impact

Output of version command has changed to include FIPS indicator.

---

This is an automatic backport of pull request #43840 done by Mergify.

[mergify]

Cherry-pick of 868cf62 has failed:

On branch mergify/bp/8.19/pr-43840
Your branch is up to date with 'origin/8.19'.

You are currently cherry-picking commit 868cf6248.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   libbeat/beat/info.go
	modified:   libbeat/cmd/version.go
	new file:   libbeat/version/fips.go
	new file:   libbeat/version/nofips.go

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   libbeat/cmd/instance/beat.go

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

[elasticmachine]

Pinging @elastic/elastic-agent-control-plane (Team:Elastic-Agent-Control-Plane)