chore: add support for does not contain span filter operator

[SrikarMannepalli]

Description

This PR adds support for does not contain span filter operator.

Testing

Added unit tests.

Checklist:

• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• Any dependent changes have been merged and published in downstream modules

[github-actions]

Test Results

115 tests  ±0   115 ✔️ ±0   1m 26s ⏱️ +11s
  29 suites ±0       0 💤 ±0 
  29 files   ±0       0 ❌ ±0 

Results for commit 5785ed8. ± Comparison against base commit 27095cc.

[codecov]

Codecov Report

Merging #175 (5785ed8) into main (27095cc) will decrease coverage by 1.61%.
The diff coverage is 100.00%.

@@             Coverage Diff              @@
##               main     #175      +/-   ##
============================================
- Coverage     79.92%   78.31%   -1.61%     
  Complexity      476      476              
============================================
  Files            54       53       -1     
  Lines          2381     2366      -15     
  Branches        103      104       +1     
============================================
- Hits           1903     1853      -50     
- Misses          420      451      +31     
- Partials         58       62       +4     

Flag	Coverage Δ
integration	?
unit	78.31% <100.00%> (+<0.01%)	⬆️

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Files Changed	Coverage Δ
...onfig/span/processing/utils/SpanFilterMatcher.java	92.75% <100.00%> (+0.10%)	⬆️

... and 5 files with indirect coverage changes

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