chore(ci): restructure CI build variants and tasks, prepare to run packaged-app tests on multiple platform versions (#5898)

* chore: test macos 14, configure patchable for build variants

* forbid additional properties

* restructure buildvariants and tasks generation

* readd eol servers

* remove comment

* add missing deps

* split the CI more

* move checks out of package

* clean up names

* use ubuntu2004 to test maintained servers

* more fixes

* use ubuntu2004 instead

* fix static analysis report files

* chore: disable macos

* remove check from unit tests

Author: mcasimir

.evergreen.yml

@@ -5,5 +5,4 @@ ignore:
   - THIRD-PARTY-NOTICES.md
 include:
   - filename: .evergreen/functions.yml
-  - filename: .evergreen/tasks.yml
-  - filename: .evergreen/buildvariants.yml
+  - filename: .evergreen/buildvariants-and-tasks.yml