update all CocoaPods dependencies as part of the Xcode/iOS upgrade (#334, #335)
update all CocoaPods dependencies as part of the Xcode/iOS upgrade (#334, #335)

output of "pod outdated"
------------------------
- CocoaLumberjack 3.6.1 -> 3.6.2 (latest version 3.7.0)
- Firebase 6.16.0 -> (unused) (latest version 7.3.0)
- FirebaseAnalytics 6.2.2 -> 6.9.0 (latest version 7.3.0)
- FirebaseCore 6.6.1 -> 6.10.4 (latest version 7.3.0)
- FirebaseCoreDiagnostics 1.2.0 -> 1.7.0 (latest version 7.3.0)
- FirebaseInstallations 1.1.0 -> 1.7.0 (latest version 7.3.0)
- FirebaseInstanceID 4.3.0 -> (unused) (latest version 7.3.0)
- GoogleAppMeasurement 6.2.2 -> 6.9.0 (latest version 7.3.0)
- GoogleDataTransport 3.3.1 -> 7.5.1 (latest version 8.1.0)
- GoogleDataTransportCCTSupport 1.3.1 -> (unused) (latest version 3.2.0)
- GoogleUtilities 6.5.1 -> (unused) (latest version 7.1.1)
- nanopb 0.3.9011 -> 1.30906.0 (latest version 2.30907.0)
- PromisesObjC 1.2.8 -> 1.2.10 (latest version 1.2.12)
The following pods are deprecated:
- Crashlytics (in favor of FirebaseCrashlytics)
- Fabric (in favor of FirebaseCrashlytics)

output of "pod update"
----------------------
Update all pods
Updating local specs repositories
Analyzing dependencies
Downloading dependencies
Installing CocoaLumberjack 3.6.2 (was 3.6.1)
Installing Crashlytics 3.14.0
Installing Fabric 1.10.2
Installing Firebase 6.34.0 (was 6.16.0)
Installing FirebaseAnalytics 6.9.0 (was 6.2.2)
Installing FirebaseCore 6.10.4 (was 6.6.1)
Installing FirebaseCoreDiagnostics 1.7.0 (was 1.2.0)
Installing FirebaseInstallations 1.7.0 (was 1.1.0)
Installing GoogleAppMeasurement 6.9.0 (was 6.2.2)
Installing GoogleDataTransport 7.5.1 (was 3.3.1)
Installing GoogleUtilities 6.7.2 (was 6.5.1)
Installing PromisesObjC 1.2.10 (was 1.2.8)
Installing nanopb 1.30906.0 (was 0.3.9011)
Removing FirebaseCoreDiagnosticsInterop
Removing FirebaseInstanceID
Removing GoogleDataTransportCCTSupport
Generating Pods project
Integrating client project
Pod installation complete! There are 6 dependencies from the Podfile and 15 total pods installed.

[!] Crashlytics has been deprecated in favor of FirebaseCrashlytics

[!] Fabric has been deprecated in favor of FirebaseCrashlytics

[!] Your project does not explicitly specify the CocoaPods master specs repo. Since CDN is now used as the default, you may safely remove it from your repos directory via `pod repo remove master`. To suppress this warning please add `warn_for_unused_master_specs_repo => false` to your Podfile.

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