Change CI runner from Ubuntu 18.04 to ubuntu-latest.
Remove iRODS 4.2.10 from the test matrix.
Fix compiler warnings for use of strncpy.
Improve reporting on test test_regression_github_issue137.
Change the GitHub CI build to be within a Docker container.
Change the test suite to avoid reliance on docker exec, which may not be available inside docker.
Remove reliance on Conda.
Change CI runner from Ubuntu 18.04 to ubuntu-latest. Remove iRODS 4.2.10 from the test matrix. Fix compiler warnings for use of strncpy. Improve reporting on test test_regression_github_issue137.
Change the GitHub CI build to be within a Docker container. Change the test suite to avoid reliance on docker exec, which may not be available inside docker. Remove reliance on Conda.