Bump ACTS version to `v29.0.0`.

Release notes are here: v29.0.0

• We have 8 PRs that required changes on the Athena side
• 1 PR (#2359) required changes but was reverted for this version in another PR (#2391)
• There are 4 PRs which changed the output tests we run in the ACTS+Athena CI

Validation ticket: ATLIDTRKCP-489

/cc @cvarni @ncalace @goetz @adye (+ @lfaldaul, @ferusso, @lgagnon)