Remove Ubuntu 18.04 from auto-build pipeline

See merge request !2453

Clean up hash related functions

See merge request !2450

Fix variable names

See merge request !2452

The machine will be replaced by Ubuntu 22.04 soon.

Add option to enable RExt__HIGH_BIT_DEPTH_SUPPORT from command line

See merge request !2447

Fix a gcc12 compiling warning/error

See merge request !2449

JVET-AB0058: signal frame upsampling in neural network post-filter characteristics

See merge request !2428

Use single variable to control ENABLE_TRACING

See merge request !2448

Fix gcc12 compiling error (member ‘BestEncInfoCache::m_dummyPool’ is used uninitialized [-Werror=uninitialized])

Use python3 as interpreter for cmake/CMakeBuild/bin/cmake.py

See merge request !2446

Recent macOS does not come with Python 2 anymore. People should install Python 3, which is usually available as `python3`

Fix compilation when JVET_R0351_HIGH_BIT_DEPTH_ENABLED is enabled

See merge request !2445

Move new macros into section where they are indicated to be removed in next cycle

See merge request !2444

Define RefSetArray template to define arrays indexed by listIdx and refIdx

See merge request !2434

Clean up MMVD related code

See merge request jvet/VVCSoftware_VTM!2435

M60678: ballot comments of FI_03

See merge request !2436

Rename LFCUParam data structure

See merge request !2431

JVET-AB0135 and BC#017 Add nnpfc_total_kilobyte_size and replace nnpfc_complexity_idc with a flag

See merge request !2432

JVET-AB0069 change the length of the po_sei_processing_order[i] syntax element

See merge request !2433

length change