Multiple inequality support

[milaGGL]

#no-changelog
port from Web SDK: firebase/firebase-js-sdk#7453, firebase/firebase-js-sdk#7512

[google-oss-bot]

Coverage Report ¹

Affected Products

• FirebaseFirestore-iOS-FirebaseFirestore.framework

  Overall coverage changed from 88.15% (0c9fe27) to 88.17% (8f97b76) by +0.02%.

  14 individual files with coverage change

  Filename	Base (0c9fe27)	Merge (8f97b76)	Diff
  composite_filter.cc	98.25%	90.10%	-8.15%
  document.nanopb.cc	96.67%	98.33%	+1.67%
  exception.cc	23.68%	84.21%	+60.53%
  field_filter.cc	95.24%	95.00%	-0.24%
  leveldb_index_manager.cc	97.72%	97.73%	+0.01%
  leveldb_key.cc	98.82%	98.14%	-0.69%
  leveldb_mutation_queue.cc	92.42%	93.56%	+1.14%
  leveldb_remote_document_cache.cc	94.83%	96.55%	+1.72%
  ordered_code.cc	93.90%	94.39%	+0.49%
  query.cc	98.68%	98.43%	-0.24%
  query_core.cc	96.23%	95.80%	-0.43%
  serializer.cc	90.80%	91.00%	+0.20%
  target_index_matcher.cc	95.28%	90.77%	-4.51%
  write_stream.cc	91.55%	94.37%	+2.82%

Test Logs

• Base (0c9fe27): https://github.com/firebase/firebase-ios-sdk/actions/runs/6175227120
• Merge (8f97b76): https://github.com/firebase/firebase-ios-sdk/actions/runs/6176934795

1. https://storage.googleapis.com/firebase-sdk-metric-reports/hl3PhAPqG0.html

[ehsannas]

Great work! A few nits pointed out below.

[google-oss-bot]

Size Report ¹

Affected Products

• FirebaseFirestore

  Type	Base (afbfb27)	Merge (cf0a171)	Diff
  CocoaPods	?	-51.5 kB	? (?)

Test Logs

• Merge (cf0a171): https://github.com/firebase/firebase-ios-sdk/actions/runs/6175212289

1. https://storage.googleapis.com/firebase-sdk-metric-reports/8MkAj8yBXM.html