Adding 26.0.0 tag

Adding 25.0.0 tag

Adding 24.0.0 tag

Fix `P_Aggregate_Params` for extended aggregates

Fixup commit c693762.

TN: V914-012

U922-009 Use GCC 11 toolchain by alire

and get rid of outdated GNAT CE 2020 for Mac OS

utils/nameres.gpr: update after recent reorganization

TN: T914-010

New script to create a source package

TN: TA19-011