Bump com.google.android.gms:play-services-auth from 21.4.0 to 21.5.0 (#3177)

Bumps com.google.android.gms:play-services-auth from 21.4.0 to 21.5.0.

---
updated-dependencies:
- dependency-name: com.google.android.gms:play-services-auth
  dependency-version: 21.5.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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FlowCrypt/build.gradle.kts

@@ -488,7 +488,7 @@ dependencies {
   implementation("androidx.webkit:webkit:1.15.0")
 
   implementation("com.google.android.gms:play-services-base:18.9.0")
-  implementation("com.google.android.gms:play-services-auth:21.4.0")
+  implementation("com.google.android.gms:play-services-auth:21.5.0")
   implementation("com.google.android.material:material:1.13.0")
   implementation("com.google.android.flexbox:flexbox:3.0.0")
   implementation("com.google.code.gson:gson:2.13.2")