Updated CHANGELOG (#5110)

Co-authored-by: GitHub Action Bot <github-action-bot@example.com>

Author: ktf

CHANGELOG.md

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+# Changes since 2020-12-21
+
+## Changes in Analysis
+
+- [#5013](https://github.com/AliceO2Group/AliceO2/pull/5013) 2021-01-04: PWGHF: Update of the Lc->pKpi selector and task by [@DelloStritto](https://github.com/DelloStritto)
+## Changes in Common
+
+- [#5100](https://github.com/AliceO2Group/AliceO2/pull/5100) 2020-12-28: GPU: Make more headers compatible to GPU by [@davidrohr](https://github.com/davidrohr)
+## Changes in DataFormats
+
+- [#5089](https://github.com/AliceO2Group/AliceO2/pull/5089) 2020-12-22: real LUT in CCDB by [@AllaMaevskaya](https://github.com/AllaMaevskaya)
+- [#5092](https://github.com/AliceO2Group/AliceO2/pull/5092) 2020-12-23: ZDC Workflow to inspect raw data by [@cortesep](https://github.com/cortesep)
+- [#5094](https://github.com/AliceO2Group/AliceO2/pull/5094) 2020-12-24: GPU: Some work towards making the o2 propagator work on GPU by [@davidrohr](https://github.com/davidrohr)
+- [#5096](https://github.com/AliceO2Group/AliceO2/pull/5096) 2020-12-25: Add possibility to use the GPUPolynomialField in the O2 propagator and make the O2 propagator compile on GPU by [@davidrohr](https://github.com/davidrohr)
+- [#5100](https://github.com/AliceO2Group/AliceO2/pull/5100) 2020-12-28: GPU: Make more headers compatible to GPU by [@davidrohr](https://github.com/davidrohr)
+- [#5104](https://github.com/AliceO2Group/AliceO2/pull/5104) 2021-01-04: Use DBSCAN for Time-Z clustering in PVertexing, debris reduction by [@shahor02](https://github.com/shahor02)
+## Changes in Detectors
+
+- [#5091](https://github.com/AliceO2Group/AliceO2/pull/5091) 2020-12-22: MFT: eliminate sqrt where possible by [@bovulpes](https://github.com/bovulpes)
+- [#5089](https://github.com/AliceO2Group/AliceO2/pull/5089) 2020-12-22: real LUT in CCDB by [@AllaMaevskaya](https://github.com/AllaMaevskaya)
+- [#5083](https://github.com/AliceO2Group/AliceO2/pull/5083) 2020-12-23: Executable for chunk large raw-data files by [@shahor02](https://github.com/shahor02)
+- [#5092](https://github.com/AliceO2Group/AliceO2/pull/5092) 2020-12-23: ZDC Workflow to inspect raw data by [@cortesep](https://github.com/cortesep)
+- [#5094](https://github.com/AliceO2Group/AliceO2/pull/5094) 2020-12-24: GPU: Some work towards making the o2 propagator work on GPU by [@davidrohr](https://github.com/davidrohr)
+- [#5096](https://github.com/AliceO2Group/AliceO2/pull/5096) 2020-12-25: Add possibility to use the GPUPolynomialField in the O2 propagator and make the O2 propagator compile on GPU by [@davidrohr](https://github.com/davidrohr)
+- [#5097](https://github.com/AliceO2Group/AliceO2/pull/5097) 2020-12-25: TPC Tracking: Workaround for 0-cluster tracks by [@davidrohr](https://github.com/davidrohr)
+- [#5100](https://github.com/AliceO2Group/AliceO2/pull/5100) 2020-12-28: GPU: Make more headers compatible to GPU by [@davidrohr](https://github.com/davidrohr)
+- [#5069](https://github.com/AliceO2Group/AliceO2/pull/5069) 2020-12-28: [WIP][ITS-tracking] Add track dumping in standalone debugger by [@mconcas](https://github.com/mconcas)
+- [#5102](https://github.com/AliceO2Group/AliceO2/pull/5102) 2020-12-29: Drop bad assert by [@ktf](https://github.com/ktf)
+- [#5101](https://github.com/AliceO2Group/AliceO2/pull/5101) 2020-12-29: [EMCAL-675] Handling of pages without trailer by [@mfasDa](https://github.com/mfasDa)
+- [#5104](https://github.com/AliceO2Group/AliceO2/pull/5104) 2021-01-04: Use DBSCAN for Time-Z clustering in PVertexing, debris reduction by [@shahor02](https://github.com/shahor02)
+## Changes in Framework
+
+- [#5098](https://github.com/AliceO2Group/AliceO2/pull/5098) 2020-12-27: DPL: use RawDeviceService to sleep in example by [@ktf](https://github.com/ktf)