Bump postgresql from 9.3-1101-jdbc41 to 42.2.5 in /modules/postgresql (…

…#1049)

Bumps [postgresql](https://github.com/pgjdbc/pgjdbc) from 9.3-1101-jdbc41 to 42.2.5.
<details>
<summary>Changelog</summary>

*Sourced from [postgresql's changelog](https://github.com/pgjdbc/pgjdbc/blob/master/CHANGELOG.md).*

> ## [42.2.5] (2018-08-27)
> ### Known issues
> - 1ms per async copy call [issue 1312](https://github-redirect.dependabot.com/pgjdbc/pgjdbc/issues/1312)
> 
> ### Changed
> - `ssl=true` implies `sslmode=verify-full`, that is it requires valid server certificate [cdeeaca4](pgjdbc/pgjdbc@cdeeaca)
> 
> ### Added
> - Support for `sslmode=allow/prefer/require` [cdeeaca4](pgjdbc/pgjdbc@cdeeaca)
> 
> ### Fixed
> - Security: added server hostname verification for non-default SSL factories in `sslmode=verify-full` (CVE-2018-10936) [cdeeaca4](pgjdbc/pgjdbc@cdeeaca)
> - Updated documentation on SSL configuration [fa032732](pgjdbc/pgjdbc@fa03273)
> - Updated Japanese translations [PR 1275](https://github-redirect.dependabot.com/pgjdbc/pgjdbc/pull/1275)
> - IndexOutOfBounds on prepared multistatement with insert values [c2885dd0](pgjdbc/pgjdbc@c2885dd)
> 
> ## [42.2.4] (2018-07-14)
> ### Changed
> - PreparedStatement.setNull(int parameterIndex, int t, String typeName) no longer ignores the typeName
> argument if it is not null [PR 1160](https://github-redirect.dependabot.com/pgjdbc/pgjdbc/pull/1160)
> 
> ### Fixed
> - Fix treatment of SQL_TSI_YEAR, SQL_TSI_WEEK, SQL_TSI_MINUTE [PR 1250](https://github-redirect.dependabot.com/pgjdbc/pgjdbc/pull/1250)
> - Map integrity constraint violation to XA_RBINTEGRITY instead of XAER_RMFAIL [PR 1175](https://github-redirect.dependabot.com/pgjdbc/pgjdbc/pull/1175) [f2d1352c](pgjdbc/pgjdbc@f2d1352)
> 
> ## [42.2.3] (2018-07-12)
> ### Known issues
> - SQL_TSI_YEAR is treated as hour, SQL_TSI_WEEK is treated as hour, SQL_TSI_MINUTE is treated as second
> 
> ### Changed
> - Reduce the severity of the error log messages when an exception is re-thrown. The error will be 
> thrown to caller to be dealt with so no need to log at this verbosity by pgjdbc  [PR 1187](https://github-redirect.dependabot.com/pgjdbc/pgjdbc/pull/1187)
> - Deprecate Fastpath API [PR 903](https://github-redirect.dependabot.com/pgjdbc/pgjdbc/pull/903)
> - Support parenthesis in {oj ...} JDBC escape syntax [PR 1204](https://github-redirect.dependabot.com/pgjdbc/pgjdbc/pull/1204)
> - ubenchmark module moved pgjdbc/benchmarks repository due to licensing issues [PR 1215](https://github-redirect.dependabot.com/pgjdbc/pgjdbc/pull/1215)
> - Include section on how to submit a bug report in CONTRIBUTING.md [PR 951](https://github-redirect.dependabot.com/pgjdbc/pgjdbc/pull/951)
> 
> ### Fixed
> - getString for PGObject-based types returned "null" string instead of null [PR 1154](https://github-redirect.dependabot.com/pgjdbc/pgjdbc/pull/1154)
> - Field metadata cache can be disabled via databaseMetadataCacheFields=0 [PR 1052](https://github-redirect.dependabot.com/pgjdbc/pgjdbc/pull/1052)
> - Properly encode special symbols in passwords in BaseDataSource [PR 1201](https://github-redirect.dependabot.com/pgjdbc/pgjdbc/pull/1201)
> - Adjust date, hour, minute, second when rounding nanosecond part of a timestamp [PR 1212](https://github-redirect.dependabot.com/pgjdbc/pgjdbc/pull/1212)
> - perf: reduce memory allocations in query cache [PR 1227](https://github-redirect.dependabot.com/pgjdbc/pgjdbc/pull/1227)
> - perf: reduce memory allocations in SQL parser [PR 1230](https://github-redirect.dependabot.com/pgjdbc/pgjdbc/pull/1230), [PR 1233](https://github-redirect.dependabot.com/pgjdbc/pgjdbc/pull/1233)
> - Encode URL parameters in BaseDataSource [PR 1201](https://github-redirect.dependabot.com/pgjdbc/pgjdbc/pull/1201)
> - Improve JavaDoc formatting [PR 1236](https://github-redirect.dependabot.com/pgjdbc/pgjdbc/pull/1236)
> 
> ## [42.2.2] (2018-03-15)
> ### Added
> - Documentation on server-side prepared statements [PR 1135](https://github-redirect.dependabot.com/pgjdbc/pgjdbc/pull/1135)
></table> ... (truncated)
</details>
<details>
<summary>Commits</summary>

- See full diff in [compare view](https://github.com/pgjdbc/pgjdbc/commits/REL42.2.5)
</details>
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modules/postgresql/build.gradle

@@ -3,7 +3,7 @@ description = "Testcontainers :: JDBC :: PostgreSQL"
 dependencies {
     compile project(':jdbc')
 
-    testCompile 'org.postgresql:postgresql:9.3-1101-jdbc41'
+    testCompile 'org.postgresql:postgresql:42.2.5'
     testCompile 'commons-dbutils:commons-dbutils:1.7'
     testCompile 'com.zaxxer:HikariCP-java6:2.3.13'
 }