feat(sdk-metrics)!: replace attributeKeys with custom processors option

[pichlermarc]

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Which problem is this PR solving?

See #4109

Drops the attributeKeys view option that implemented an "Allow List" for attribute keys.

Adds

• createAllowListAttributesProcessor(), which replicates the functionality previously provided by attributeKeys
• createDenyListAttributesProcessor(), which allows for dropping one or more attributes when added to a View, this can be useful for turning off attributes that are not needed or too high cardinality.
• Adds IAttributesProcessor for custom attributes processors

Fixes #4109

Type of change

• [x] New feature (non-breaking change which adds functionality)
• [x] Breaking change (fix or feature that would cause existing functionality to not work as expected)

How Has This Been Tested?

• [x] Unit tests

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 92.89%. Comparing base (6804066) to head (9a662b6). Report is 1 commits behind head on next.

Additional details and impacted files

@@            Coverage Diff             @@
##             next    #4532      +/-   ##
==========================================
+ Coverage   92.87%   92.89%   +0.01%     
==========================================
  Files         328      328              
  Lines        9466     9484      +18     
  Branches     2023     2023              
==========================================
+ Hits         8792     8810      +18     
  Misses        674      674              

Files	Coverage Δ
...ckages/sdk-metrics/src/state/AsyncMetricStorage.ts	100.00% <100.00%> (ø)
packages/sdk-metrics/src/state/MeterSharedState.ts	96.61% <100.00%> (ø)
...ackages/sdk-metrics/src/state/SyncMetricStorage.ts	100.00% <100.00%> (ø)
...ckages/sdk-metrics/src/view/AttributesProcessor.ts	100.00% <100.00%> (ø)
packages/sdk-metrics/src/view/View.ts	100.00% <100.00%> (ø)

[github-actions[bot]]

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