Release 3.1.12

Improve documentation for apt --cli-version

weakptr: Simplify destructor to use range-based for

A special cow for a special week

Merge branch 'bug1120463' into 'main'

Correctly copy provided version in m-a lazy-init

Merge branch 'missing-includes' into 'main'

Fix missing includes

Release 3.1.11

Revert "depcache: Allow changing multi-arch versions for removed siblings"

test: Correctly skip tests when not using -j

tests: Do not skip tests for --solver internal

Adjust test cases to treat 3.0 as default APT_SOLVER if not set

Release 3.1.10

Merge branch 'solver3' into 'main'