[ATR-28845] Inline schema evolution in TrigCompositeAuxContainer_v2 of linkColIndices

See merge request atlas/athena!74315

(cherry picked from commit adac91c0)

e5e4dad2 Inline schema evolution of the ElementLink index member from 16 to 32 bits to...
3d0576e4 extend EDM update to Accessor objects
ec234e43 Move to aliased index_type
f83626c0 update index type
58bfa04d More moving of index type to typedef
198cbf3e schema update v1 Aux too
d7ac0750 Inline schema evolution of the ElementLink index member from 16 to 32 bits to...
f715254a extend EDM update to Accessor objects
f963187f Move to aliased index_type
54513251 update index type
9db00509 More moving of index type to typedef
7aaef0c7 schema update v1 Aux too
067c559c temp commit, print based CI debugging
e8f8fcdd Merge branch 'main' of https://gitlab.cern.ch:8443/atlas/athena

 into...
cfd8d01b Merge branch 'EDM_migration_TrigComposite_index_primitive' of...
8a7db151 update feature retrieval to allow non-iparticle DEBUGING COMMIT
be97469b more debug printout, narrowing in TEMP COMMIT
a99ab815 fix signed subtraction bug and remove debug output
5a8f64a8 remove cout
d1b3c287 proof of concept testing commit of providing an early registry definition
26f8113e experimental class loading
1d81fde0 STASH COMMIT - PROBABLY REVERT THIS
76d42a63 Move accessors to top of interface cxx for early-loading
dc8def39 undo changes to file
04b7fe0b undo changes to file
81de34d8 undo changes to file

Co-authored-by: Frank Winklmeier <frank.winklmeier@cern.ch>