DPL: properly reserve memory when writing (#15510)

Tagging AliceO2 version async-2024-PbPb-apass3-v9

dpl-workflow.sh: Fixed GPUTYPE=HIP NGPUS=4 is only for EPNs

Tagging AliceO2 version async-2026-PbPb-cpass0-v2

Tagging AliceO2 version async-2024-PbPb-apass3-v8

Tagging AliceO2 version async-2024-PbPb-apass3-v7

ITS: add back the code for track following (#15456)

* ITS: re-enable the possibility of extending tracks

* ITS: integrate track extension in road finding

* ITS: implement code review

* ITS: rename away from beam for the track follower

* ITS: new round of comments

* ITS: try to uniform GPU and CPU code for track following

* ITS: introduce configuration context to reduce number of arguments

Tagging AliceO2 version async-2026-pp-apass1-v15

Tagging AliceO2 version async-2026-PbPb-apass1-v1