Bump com.fasterxml.jackson.core:jackson-databind from 2.15.3 to 2.16.0

Bumps [com.fasterxml.jackson.core:jackson-databind](https://github.com/FasterXML/jackson) from 2.15.3 to 2.16.0.
- [Commits](https://github.com/FasterXML/jackson/commits)

---
updated-dependencies:
- dependency-name: com.fasterxml.jackson.core:jackson-databind
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

divviup/build.gradle.kts

@@ -42,7 +42,7 @@ dependencies {
     testImplementation("junit:junit:4.13.2")
     testImplementation("com.squareup.okhttp3:mockwebserver:4.12.0")
     testImplementation("org.testcontainers:testcontainers:1.19.1")
-    testImplementation("com.fasterxml.jackson.core:jackson-databind:2.15.3")
+    testImplementation("com.fasterxml.jackson.core:jackson-databind:2.16.0")
     testImplementation("ch.qos.logback:logback-core:1.4.11")
     testImplementation("ch.qos.logback:logback-classic:1.4.11")
     androidTestImplementation(project(":divviup:commontest"))