Bump accompanist-appcompat-theme from 0.16.0 to 0.20.0 (#1832)

Bumps [accompanist-appcompat-theme](https://github.com/google/accompanist) from 0.16.0 to 0.20.0.
- [Release notes](https://github.com/google/accompanist/releases)
- [Commits](google/accompanist@v0.16.0...v0.20.0)

---
updated-dependencies:
- dependency-name: com.google.accompanist:accompanist-appcompat-theme
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

app/build.gradle.kts

@@ -194,7 +194,7 @@ dependencies {
     implementation("androidx.compose.ui:ui-tooling:1.0.4")
     implementation("androidx.activity:activity-compose:1.3.1")
     implementation("com.google.android.material:compose-theme-adapter:1.0.4")
-    implementation("com.google.accompanist:accompanist-appcompat-theme:0.16.0")
+    implementation("com.google.accompanist:accompanist-appcompat-theme:0.20.0")
 }
 
 // Disable to fix memory leak and be compatible with the configuration cache.