Bump testcontainers.version from 1.15.3 to 1.20.2

Bumps `testcontainers.version` from 1.15.3 to 1.20.2.

Updates `org.testcontainers:testcontainers` from 1.15.3 to 1.20.2
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.15.3...1.20.2)

Updates `org.testcontainers:junit-jupiter` from 1.15.3 to 1.20.2
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.15.3...1.20.2)

Updates `org.testcontainers:orientdb` from 1.15.3 to 1.20.2
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.15.3...1.20.2)

Updates `org.testcontainers:postgresql` from 1.15.3 to 1.20.2
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.15.3...1.20.2)

Updates `org.testcontainers:mysql` from 1.15.3 to 1.20.2
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.15.3...1.20.2)

---
updated-dependencies:
- dependency-name: org.testcontainers:testcontainers
  dependency-type: direct:development
  update-type: version-update:semver-minor
- dependency-name: org.testcontainers:junit-jupiter
  dependency-type: direct:development
  update-type: version-update:semver-minor
- dependency-name: org.testcontainers:orientdb
  dependency-type: direct:development
  update-type: version-update:semver-minor
- dependency-name: org.testcontainers:postgresql
  dependency-type: direct:development
  update-type: version-update:semver-minor
- dependency-name: org.testcontainers:mysql
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

pom.xml

@@ -58,7 +58,7 @@
         <guava.version>32.1.3-jre</guava.version>
         <assertj-core.version>3.19.0</assertj-core.version>
         <assertj-guava.version>3.4.0</assertj-guava.version>
-        <testcontainers.version>1.15.3</testcontainers.version>
+        <testcontainers.version>1.20.2</testcontainers.version>
 
 
     </properties>