docs: rename Facebook to Meta in GitHub-related Markdowns (#10566)

Co-authored-by: sebastien <[email protected]>

CODE_OF_CONDUCT.md

@@ -1,3 +1,3 @@
 # Code of Conduct
 
-Facebook has adopted a Code of Conduct that we expect project participants to adhere to. Please [read the full text](https://code.fb.com/codeofconduct/) so that you can understand what actions will and will not be tolerated.
+Meta has adopted a Code of Conduct that we expect project participants to adhere to. Please [read the full text](https://code.fb.com/codeofconduct/) so that you can understand what actions will and will not be tolerated.

CONTRIBUTING.md

@@ -9,7 +9,7 @@ The [Open Source Guides](https://opensource.guide/) website has a collection of
 
 ## Code of Conduct
 
-Facebook has adopted a Code of Conduct that we expect project participants to adhere to. Please read [the full text](https://code.fb.com/codeofconduct) so that you can understand what actions will and will not be tolerated.
+Meta has adopted a Code of Conduct that we expect project participants to adhere to. Please read [the full text](https://code.fb.com/codeofconduct) so that you can understand what actions will and will not be tolerated.
 
 ## Get Involved
 
@@ -63,7 +63,7 @@ If you're only fixing a bug, it's fine to submit a pull request right away but w
 
 ### Security Bugs
 
-Facebook has a [bounty program](https://www.facebook.com/whitehat/) for the safe disclosure of security bugs. With that in mind, please do not file public issues; go through the process outlined on that page.
+Meta has a [bounty program](https://www.facebook.com/whitehat/) for the safe disclosure of security bugs. With that in mind, please do not file public issues; go through the process outlined on that page.
 
 ### Feature requests
 
@@ -206,7 +206,7 @@ This is also auto-fixable with the `header/header` ESLint rule.
 
 ### Contributor License Agreement (CLA)
 
-In order to accept your pull request, we need you to submit a CLA. You only need to do this once, so if you've done this for another Facebook open source project, you're good to go. If you are submitting a pull request for the first time, the Facebook GitHub Bot will reply with a link to the CLA form. You may also [complete your CLA here](https://code.facebook.com/cla).
+In order to accept your pull request, we need you to submit a CLA. You only need to do this once, so if you've done this for another Meta open source project, you're good to go. If you are submitting a pull request for the first time, the Meta GitHub Bot will reply with a link to the CLA form. You may also [complete your CLA here](https://code.facebook.com/cla).
 
 After you have signed the CLA, the CLA bot would automatically update the PR status. There's no need to open a new PR.
 

README.md

@@ -59,11 +59,11 @@ npm init docusaurus@latest
 
 ## Contributing
 
-We've released Docusaurus because it helps us better scale and supports the many OSS projects at Facebook. We hope that other organizations can benefit from the project. We are thankful for any contributions from the community.
+We've released Docusaurus because it helps us better scale and supports the many OSS projects at Meta. We hope that other organizations can benefit from the project. We are thankful for any contributions from the community.
 
 ### [Code of Conduct](https://code.fb.com/codeofconduct)
 
-Facebook has adopted a Code of Conduct that we expect project participants to adhere to. Please read [the full text](https://code.fb.com/codeofconduct) so that you can understand what actions will and will not be tolerated.
+Meta has adopted a Code of Conduct that we expect project participants to adhere to. Please read [the full text](https://code.fb.com/codeofconduct) so that you can understand what actions will and will not be tolerated.
 
 ### Contributing guide