GPU/TPC: extend noisy pad filter with Highly Ionising Particle filter

[fweig]

Supersedes #15180:

• Fixed issue where filter missed saturated bins
• Added rising edge detection
• Added exponential filter for tail cutoff
• Added Cluster creation

[alibuild]

Error while checking build/O2/fullCI_slc9 for 7376b5c at 2026-05-26 16:39:

## sw/BUILD/O2-latest/log
/sw/SOURCES/O2/slc9_x86-64-slc9_x86-64/0/GPU/Common/GPUCommonMath.h:499:10: error: no matching function for call to 'atomic_add'
ninja: build stopped: subcommand failed.

Full log here.

[alibuild]

Error while checking build/O2/fullCI_slc9 for a53a04b at 2026-05-27 13:33:

## sw/BUILD/O2-latest/log
/sw/SOURCES/O2/slc9_x86-64-slc9_x86-64/0/GPU/Common/GPUCommonMath.h:499:10: error: no matching function for call to 'atomic_add'
ninja: build stopped: subcommand failed.

Full log here.

[davidrohr]

@fweig : this seems to be a legit error:

GPUChainTrackingClusterizer.cxx:283:20: error: non-constant-expression cannot be narrowed from type 'size_t' (aka 'unsigned long') to 'result_type' (aka 'unsigned int') in initializer list [-Wc++11-narrowing]
  283 |   std::mt19937 gen{seed};
      |                    ^~~~
/Volumes/build/alice-ci-workdir/o2/sw/SOURCES/O2/15424/0/GPU/GPUTracking/Global/GPUChainTrackingClusterizer.cxx:283:20: note: insert an explicit cast to silence this issue
  283 |   std::mt19937 gen{seed};
      |                    ^~~~
      |                    static_cast<result_type>( )
1 error generated.