Bump material from 1.6.1 to 1.7.0 in /app

Bumps [material](https://github.com/material-components/material-components-android) from 1.6.1 to 1.7.0.
- [Release notes](https://github.com/material-components/material-components-android/releases)
- [Commits](https://github.com/material-components/material-components-android/compare/1.6.1...1.7.0)

---
updated-dependencies:
- dependency-name: com.google.android.material:material
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

app/build.gradle

@@ -163,7 +163,7 @@ dependencies {
     implementation('androidx.webkit:webkit:1.5.0')
 
     //google
-    implementation('com.google.android.material:material:1.6.1')
+    implementation('com.google.android.material:material:1.7.0')
     implementation('com.google.android.flexbox:flexbox:3.0.0')
     implementation('com.google.code.gson:gson:2.9.1')