Bump testcontainers.version from 1.17.6 to 1.18.1 (#43)

Bumps `testcontainers.version` from 1.17.6 to 1.18.1.

Updates `junit-jupiter` from 1.17.6 to 1.18.1
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.17.6...1.18.1)

Updates `postgresql` from 1.17.6 to 1.18.1
- [Release notes](https://github.com/testcontainers/testcontainers-java/releases)
- [Changelog](https://github.com/testcontainers/testcontainers-java/blob/main/CHANGELOG.md)
- [Commits](testcontainers/testcontainers-java@1.17.6...1.18.1)

---
updated-dependencies:
- dependency-name: org.testcontainers:junit-jupiter
  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
...

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

pom.xml

@@ -28,7 +28,7 @@
 
     <properties>
         <java.version>11</java.version>
-        <testcontainers.version>1.17.6</testcontainers.version>
+        <testcontainers.version>1.18.1</testcontainers.version>
         <hibernate-types.version>2.21.0</hibernate-types.version>
     </properties>