chore(deps): bump volley from 1.2.0 to 1.2.1 in /ApiDemos/kotlin (#691)

Bumps [volley](https://github.com/google/volley) from 1.2.0 to 1.2.1.
- [Release notes](https://github.com/google/volley/releases)
- [Commits](google/volley@1.2.0...1.2.1)

---
updated-dependencies:
- dependency-name: com.android.volley:volley
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

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

Author: dependabot[bot]

ApiDemos/kotlin/app/build.gradle

@@ -49,7 +49,7 @@ dependencies {
     implementation "androidx.cardview:cardview:1.0.0"
     implementation "androidx.recyclerview:recyclerview:1.2.1"
     implementation 'androidx.multidex:multidex:2.0.1'
-    implementation 'com.android.volley:volley:1.2.0'
+    implementation 'com.android.volley:volley:1.2.1'
 
     // GMS
     gmsImplementation 'androidx.lifecycle:lifecycle-runtime-ktx:2.3.1'