ci: fix get latest grafana versions python script

[Nemental]

SUMMARY

• increase number of returned releases by api to ensure the newest 3 majors are included
• refactor comparation of version numbers
  • work with multi digits major versions
  • compare versions as tulpe not as int
  • before: 10.0.13 (as_int: 10013) > 10.2.6 (as_int: 1026) (older version is higher)
  • after: 10.0.13 (as_tulpe: (10, 0, 13)) < 10.2.6 (as_tulpe: (10, 2, 6)) (newer version is higher)

ISSUE TYPE

• Bugfix Pull Request

COMPONENT NAME

ADDITIONAL INFORMATION

before:

["9.5.18", "10.0.13"]

after:

["8.5.27", "9.5.18", "10.4.1"]

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 74.46%. Comparing base (a3056e9) to head (451cc3c). Report is 5 commits behind head on main.

:exclamation: Current head 451cc3c differs from pull request most recent head cff474c. Consider uploading reports for the commit cff474c to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #354 +/- ## ========================================== + Coverage 71.18% 74.46% +3.28% ========================================== Files 18 14 -4 Lines 1898 1719 -179 Branches 332 312 -20 ========================================== - Hits 1351 1280 -71 + Misses 402 293 -109 - Partials 145 146 +1 ``` | [Flag](https://app.codecov.io/gh/ansible-collections/community.grafana/pull/354/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=ansible-collections) | Coverage Δ | | |---|---|---| | [integration](https://app.codecov.io/gh/ansible-collections/community.grafana/pull/354/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=ansible-collections) | `70.04% <ø> (ø)` | | | [sanity](https://app.codecov.io/gh/ansible-collections/community.grafana/pull/354/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=ansible-collections) | `?` | | | [units](https://app.codecov.io/gh/ansible-collections/community.grafana/pull/354/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=ansible-collections) | `65.08% <ø> (-0.11%)` | :arrow_down: | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=ansible-collections#carryforward-flags-in-the-pull-request-comment) to find out more.

:umbrella: View full report in Codecov by Sentry.
:loudspeaker: Have feedback on the report? Share it here.

[Nemental]

They released a preview right after my changes to the python script :D Now all pre-release (-) and build-release tags (+) are skipped according to the semantic version

[Nemental]

failed sanity workflow is fixed in #355

[rndmh3ro]

lgtm