chore(deps-dev): bump org.scalatest:scalatest_2.12 from 3.2.12 to 3.2.20 (#924)

Bumps [org.scalatest:scalatest_2.12](https://github.com/scalatest/scalatest) from 3.2.12 to 3.2.20.
- [Release notes](https://github.com/scalatest/scalatest/releases)
- [Commits](scalatest/scalatest@release-3.2.12...release-3.2.20)

---
updated-dependencies:
- dependency-name: org.scalatest:scalatest_2.12
  dependency-version: 3.2.20
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

client-scala/cross/2.12/pom.xml

@@ -227,7 +227,7 @@
     <dependency>
       <groupId>org.scalatest</groupId>
       <artifactId>scalatest_2.12</artifactId>
-      <version>3.2.12</version>
+      <version>3.2.20</version>
       <scope>test</scope>
       <exclusions>
         <exclusion>