Merge branch 'update-CONTRIBUTING.md-LICENSE' into 'main'

Update CONTRIBUTING.md and LICENSE

See merge request https://gitlab.com/gitlab-org/gitlab-development-kit/-/merge_requests/4163



Merged-by: Nao Hashizume <nhashizume@gitlab.com>
Approved-by: Nao Hashizume <nhashizume@gitlab.com>
Co-authored-by: Lin Jen-Shin <jen-shin@gitlab.com>

CONTRIBUTING.md

 # Developer Certificate of Origin + License
 
-By contributing to GitLab B.V., You accept and agree to the following terms and
-conditions for Your present and future Contributions submitted to GitLab B.V.
-Except for the license granted herein to GitLab B.V. and recipients of software
-distributed by GitLab B.V., You reserve all right, title, and interest in and to
+By contributing to GitLab Inc., You accept and agree to the following terms and
+conditions for Your present and future Contributions submitted to GitLab Inc.
+Except for the license granted herein to GitLab Inc. and recipients of software
+distributed by GitLab Inc., You reserve all right, title, and interest in and to
 Your Contributions. All Contributions are subject to the following DCO + License
 terms.
 

LICENSE

-Copyright GitLab B.V.
+Copyright GitLab Inc.
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal