README.md: change test suite badge from travis to Github actions.
tree96377b17884a2286a3fc1875333b82e26273514f
drwxr-xr-x - .github
-rw-r--r-- 112 .gitignore
-rw-r--r-- 2210 .travis.yml
-rw-r--r-- 6477 AUTHORS
-rw-r--r-- 233 CODE_OF_CONDUCT.md
-rw-r--r-- 94043 Changes
-rw-r--r-- 7135 HACKING.md
-rw-r--r-- 2661 README.md
drwxr-xr-x - bin
-rw-r--r-- 1864 dist.ini
drwxr-xr-x - examples
drwxr-xr-x - lib
drwxr-xr-x - t
drwxr-xr-x - travis_scripts