Use new apache wsgi mod package name

[aaannz]

What does this PR change?

New package apache2-mod_wsgi was introduced instead of apache2-mod_wsgi-python3 so let's require new package. Should prevent problem with disabling wsgi on package update.

GUI diff

No difference.

• DONE

Documentation

• No documentation needed: only internal and user invisible changes

• DONE

Test coverage

• No tests: already covered

• DONE

Links

Fixes #
Tracks # add downstream PR, if any

• DONE

Changelogs

Make sure the changelogs entries you are adding are compliant with https://github.com/uyuni-project/uyuni/wiki/Contributing#changelogs and https://github.com/uyuni-project/uyuni/wiki/Contributing#uyuni-projectuyuni-repository

If you don't need a changelog check, please mark this checkbox:

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Re-run a test

If you need to re-run a test, please mark the related checkbox, it will be unchecked automatically once it has re-run:

• Re-run test "changelog_test"
• Re-run test "backend_unittests_pgsql"
• Re-run test "java_pgsql_tests"
• Re-run test "schema_migration_test_pgsql"
• Re-run test "susemanager_unittests"
• Re-run test "javascript_lint"
• Re-run test "spacecmd_unittests"

[nodeg]

LGTM.

For reference:

• https://github.com/SUSE/spacewalk/issues/22247#issuecomment-1670960055
• https://suse.slack.com/archives/C02CLB6AGJ3/p1692005236249719