[nanopb] Bump nanopb version in Package.swift

[ncooke3]

Will retag CocoaPods-9.4.0 tag following merge.

[google-oss-bot]

Coverage Report ¹

Affected Products

• GoogleDataTransport-ios-GoogleDataTransport.framework

  Overall coverage changed from 44.18% (211caa3) to 58.02% (99411a8) by +13.84%.

  28 individual files with coverage change

  Filename	Base (211caa3)	Merge (99411a8)	Diff
  GDTCCTCompressionHelper.m	81.63%	0.00%	-81.63%
  GDTCCTNanopbHelpers.m	56.04%	0.00%	-56.04%
  GDTCCTUploader.m	89.54%	20.26%	-69.28%
  GDTCCTUploadOperation.m	91.04%	0.00%	-91.04%
  GDTCORAssert.m	0.00%	88.24%	+88.24%
  GDTCORClock.m	71.26%	86.21%	+14.94%
  GDTCORConsoleLogger.m	18.52%	74.07%	+55.56%
  GDTCORDirectorySizeTracker.m	63.79%	93.10%	+29.31%
  GDTCOREndpoints.m	0.00%	100.00%	+100.00%
  GDTCOREvent+GDTCCTSupport.m	35.42%	0.00%	-35.42%
  GDTCOREvent+GDTMetricsSupport.m	100.00%	0.00%	-100.00%
  GDTCOREvent.m	61.80%	97.75%	+35.96%
  GDTCORFlatFileStorage+Promises.m	0.00%	27.75%	+27.75%
  GDTCORFlatFileStorage.m	13.44%	91.01%	+77.57%
  GDTCORLifecycle.m	40.74%	55.56%	+14.81%
  GDTCORLogSourceMetrics.m	52.17%	93.91%	+41.74%
  GDTCORMetrics+GDTCCTSupport.m	95.24%	0.00%	-95.24%
  GDTCORMetrics.m	47.27%	40.00%	-7.27%
  GDTCORMetricsController.m	16.28%	94.77%	+78.49%
  GDTCORMetricsMetadata.m	0.00%	100.00%	+100.00%
  GDTCORPlatform.m	51.36%	64.40%	+13.04%
  GDTCORProductData.m	42.11%	84.21%	+42.11%
  GDTCORRegistrar.m	76.72%	74.60%	-2.12%
  GDTCORStorageMetadata.m	0.00%	100.00%	+100.00%
  GDTCORTransformer.m	0.00%	91.26%	+91.26%
  GDTCORTransport.m	0.00%	86.67%	+86.67%
  GDTCORUploadBatch.m	100.00%	0.00%	-100.00%
  GDTCORUploadCoordinator.m	59.74%	79.87%	+20.13%

Test Logs

• Base (211caa3): https://github.com/google/GoogleDataTransport/actions/runs/8009689065
• Merge (99411a8): https://github.com/google/GoogleDataTransport/actions/runs/8066992656

1. https://storage.googleapis.com/firebase-sdk-metric-reports/yjwO5HDOIP.html

[ncooke3]

tag updated: a637d31