fix: upgrade org.testcontainers:testcontainers from 1.19.8 to 1.20.0

Snyk has created this PR to upgrade org.testcontainers:testcontainers from 1.19.8 to 1.20.0.

See this package in maven:
org.testcontainers:testcontainers

See this project in Snyk:
https://app.snyk.io/org/wajda/project/eefb1856-8a05-494f-a135-7d8d654afcbf?utm_source=github&utm_medium=referral&page=upgrade-pr

integration-tests/pom.xml

@@ -42,7 +42,7 @@
         <dependency>
             <groupId>org.testcontainers</groupId>
             <artifactId>testcontainers</artifactId>
-            <version>1.19.8</version>
+            <version>1.20.0</version>
         </dependency>
         <dependency>
             <groupId>com.github.goodforgod</groupId>