Fix multiline ansible_managed comments

#171 Fix multiline ansible_managed comments. Thanks @spetrosi

Drop support for Ansible 2.8

#169 Ansible 2.9 is now the minimum Ansible version. Thanks @spetrosi

Template file fix, Debian 11, CentOS 6 CI

#166 Add Debian 11 (bullseye) support. Thanks @domrim
#168 Fix wrong template being used for sshd config. Thanks again @domrim
#165 Add CI for CentOS 6 Thanks @Jakuje
#169 Remove Travis and update readme with individual job badges Thanks @Jakuje

This will be the last release to support Ansible 2.8

Support for next RHEL version

v0.13.1

Add support for RHEL 9 and adjust tests for it

Support for non-exclusive configuration and minor fixes

• Allow creating non-exclusive configuration snippets (#158, #160)
• Improve test coverage and range of testing systems using Github Actions using different Ubuntu and Debian version (#147)
• Improve documentation
• Fix bug with variable precedence if the role was loaded through roles: (#159)
• Remove some non-default configuration options from some systems
• Make the shell commands more robust using -o pipefail as recommended by ansible; fix a lot of ansible/yaml-lint issues (#156))
• Add new configuration options from OpenSSH 8.6 (#161)

General improvements.

Merge #146

• Getting rid of the set_facts, which was introduced in #89 and which is making the role unusable repetitively in a single play.
• Implement check & generation for hostkeys, which should solve #111
• Many tests improvements
• Improve/cleanup documentation
• Remove some unneeded default options
• Improved support for creating configuration snippets (for Include functionality default in Fedora)
• Testsuite passing in Fedora, CentOS 7 and CentOS 8

Test updates

#144 Best practice updates to tests

No functional changes.

Improved Match, EL CryptoPolicy support

Improves Match block handling #143
Adds Crypo Policy support under EL/Fedora #142

Thanks @Jakuje for both

Better Fedora support, standards improvements

Improves support for Fedora
Many typo and code quality improvements

Thanks @Jakuje

Fixed issue with use of ansible_distribution_version

Use ansible_distribution_major_version in variables #132