Bump flyway/flyway from 10.12-alpine to 10.13-alpine in /db-init (#2990)

Bumps flyway/flyway from 10.12-alpine to 10.13-alpine.

---
updated-dependencies:
- dependency-name: flyway/flyway
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Ponnia <151670616+Ponnia-M@users.noreply.github.com>

db-init/Dockerfile

@@ -1,4 +1,4 @@
-FROM flyway/flyway:10.12-alpine
+FROM flyway/flyway:10.13-alpine
 
 # hadolint ignore=DL3018
 RUN <<EOR