Bump actions/checkout from 3 to 3.0.2.
drwxr-xr-x - .github
-rw-r--r-- 57 .gitignore
-rw-r--r-- 929 CODE_OF_CONDUCT.md
-rw-r--r-- 11358 LICENSE.txt
-rw-r--r-- 174 NOTICE.txt
-rw-r--r-- 11162 PROPOSAL.html
-rw-r--r-- 3192 RELEASE-NOTES.txt
-rw-r--r-- 900 SECURITY.md
-rw-r--r-- 3985 WHITEBOARD.html
drwxr-xr-x - api
drwxr-xr-x - apps
drwxr-xr-x - base
drwxr-xr-x - build-tools
drwxr-xr-x - configuration
drwxr-xr-x - dist
-rw-r--r-- 11207 pom.xml
drwxr-xr-x - sdocbook
drwxr-xr-x - src
drwxr-xr-x - test-utils
drwxr-xr-x - web