[pkg/ottl] Add Murmur3Hash converter

[kaisecheng]

Description

Add four murmur3 hash functions to convert the target to signed integer or hexadecimal string format

Murmur3Hash returns a signed integer of the Murmur3 32-bit hash
Murmur3Hash128 returns two signed integers of Murmur3 128-bit hash
Murmur3Hex returns a hexadecimal string in little-endian of the 32-bit Murmur3 hash
Murmur3Hex128 returns a hexadecimal string in little-endian of the 128-bit Murmur3 hash

Example: Murmur3Hash("20250106")

Link to tracking issue

issue: #34077

supersedes: #34155

Testing

• Unit tests
• E2E tests

Documentation

readme

[codecov]

Codecov Report

Attention: Patch coverage is 86.20690% with 8 lines in your changes missing coverage. Please review.

Project coverage is 79.64%. Comparing base (f05adc6) to head (c3a81ba).
Report is 14 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/ottl/ottlfuncs/func_murmur3.go	85.18%	6 Missing and 2 partials ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main   #37027   +/-   ##
=======================================
  Coverage   79.63%   79.64%           
=======================================
  Files        2223     2224    +1     
  Lines      210283   210341   +58     
=======================================
+ Hits       167456   167517   +61     
- Misses      37211    37214    +3     
+ Partials     5616     5610    -6     

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