Bump db2_community/db2

Bumps the database-containers group with 1 update in the /build/container/database directory: db2_community/db2.


Updates `db2_community/db2` from 12.1.1.0 to 12.1.2.0

---
updated-dependencies:
- dependency-name: db2_community/db2
  dependency-version: 12.1.2.0
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: database-containers
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

build/container/database/db2.Dockerfile

@@ -1,3 +1,3 @@
 # DB2
 # See https://icr.io/v2/db2_community/db2/tags/list
-FROM icr.io/db2_community/db2:12.1.1.0
+FROM icr.io/db2_community/db2:12.1.2.0