Bump aws-sdk-polly from 1.77.0 to 1.78.0 in /components/app

Bumps [aws-sdk-polly](https://github.com/aws/aws-sdk-ruby) from 1.77.0 to 1.78.0.
- [Release notes](https://github.com/aws/aws-sdk-ruby/releases)
- [Changelog](https://github.com/aws/aws-sdk-ruby/blob/version-3/gems/aws-sdk-polly/CHANGELOG.md)
- [Commits](https://github.com/aws/aws-sdk-ruby/commits)

---
updated-dependencies:
- dependency-name: aws-sdk-polly
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

components/app/Gemfile.lock

@@ -72,7 +72,7 @@ GEM
     adhearsion-loquacious (1.9.3)
     ast (2.4.2)
     aws-eventstream (1.2.0)
-    aws-partitions (1.851.0)
+    aws-partitions (1.852.0)
     aws-sdk-core (3.186.0)
       aws-eventstream (~> 1, >= 1.0.2)
       aws-partitions (~> 1, >= 1.651.0)
@@ -81,7 +81,7 @@ GEM
     aws-sdk-lambda (1.110.0)
       aws-sdk-core (~> 3, >= 3.184.0)
       aws-sigv4 (~> 1.1)
-    aws-sdk-polly (1.77.0)
+    aws-sdk-polly (1.78.0)
       aws-sdk-core (~> 3, >= 3.184.0)
       aws-sigv4 (~> 1.1)
     aws-sigv4 (1.6.1)