bump testcontainers to v1.16.3
<!-- jackson-databind versions prior to 2.10.5.1 are affected by security vulnerability CVE-2020-25649.
When upgrading jackson, try to align them to the same version -->
<jackson.databind.version>2.10.5.1</jackson.databind.version>
- <testcontainers.version>1.16.2</testcontainers.version>
+ <testcontainers.version>1.16.3</testcontainers.version>
<pax-exam.version>4.13.4</pax-exam.version>
<java.version>1.8</java.version>
<java.version.signature>java18</java.version.signature>
