Bump com.ibm.db2:jcc from 12.1.3.0 to 12.1.4.0 in /modules/db2

Bumps com.ibm.db2:jcc from 12.1.3.0 to 12.1.4.0.

---
updated-dependencies:
- dependency-name: com.ibm.db2:jcc
  dependency-version: 12.1.4.0
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>