[BIOINFSW-6193] Replace pkg_resources use with importlib metadata

[scdunatun]

Description

pkg_resources is being deprecated and all applications that install stor are unable to upgrade the setuptools version due to its use of pkg_resources. Instead of pkg_resources, we should use importlib's metadata.

Changes

• Updated use of pkg_resources to importlib's metadata in __init__.py. Fall back import and use for older version of python.
• Updated CI/CD to run on ubuntu-22.04 runners with updated action version tags.

Testing

• CI/CD successful for python 3.7 and 3.8.

[scdunatun]

I can remove these newlines once we're done. I was just going cross-eyed with the yaml formatting since it is non-standard.

[Ben-Habermeyer]

@scdunatun I didn't want to add an importlib_metadata dependency to stor.. so this is essentially backwards compatibility.

For python >=3.8 importlib will be installed and use that

For python <3.8 try using importlib_metadata (backport) if it is installed, otherwise use the fallback pkg_resources

Once we deprecate <3.10 we can remove all of this i favor of importlib

[Ben-Habermeyer]

LGTM. Should be backwards compatible for poor souls on 3.6/7 and fix deprecation warning for 3.8+.

We can make a story to release a new major version deprecating these old versions and modernizing the ci