docs: Adding X3M to the list of adopters

[mreparaz]

Fixes #N/A

Description
Adding X3M ads to adopters
How was this change tested?

Does this change impact docs?

• Yes, PR includes docs updates
• Yes, issue opened: #
• No

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[netlify]

✅ Deploy Preview for karpenter-docs-prod ready!

Name	Link
🔨 Latest commit	2a075de
🔍 Latest deploy log	https://app.netlify.com/sites/karpenter-docs-prod/deploys/66969e2cad28400008122a62
😎 Deploy Preview	https://deploy-preview-6521--karpenter-docs-prod.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.

[engedaam]

LGTM 🚀

[coveralls]

Pull Request Test Coverage Report for Build 9960541715

Warning: This coverage report may be inaccurate.

This pull request's base commit is no longer the HEAD commit of its target branch. This means it includes changes from outside the original pull request, including, potentially, unrelated coverage changes.

• For more information on this, see Tracking coverage changes with pull request builds.
• To avoid this issue with future PRs, see these Recommended CI Configurations.
• For a quick fix, rebase this PR at GitHub. Your next report should be accurate.

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.01%) to 79.099%

---

Totals
Change from base Build 9960268431:	0.01%
Covered Lines:	5934
Relevant Lines:	7502

---

💛 - Coveralls