Update CHANGELOG to prep for 9.1.0 release (#571)

Update CHANGELOG to prep for 9.0.0 release. (#534)

Prep for VwG EAP minor release. (#514)

Prep for VwG EAP release. (#488)

Update activesupport (#463)

Depend on GSI 7.1.0 in GoogleSignSwiftSupport.podspec (#399)

Prepare for 7.1.0 release (#386)

Prepare for AppCheck beta release (#366)

Prepare for Firebase App Check EAP release (#352)

Use default code signing settings for sample projects (#272)