Update memcached

Changes:

- https://github.com/docker-library/memcached/commit/dca6925: Merge pull request https://github.com/docker-library/memcached/pull/76 from J0WI/memcached-1.6.13
- https://github.com/docker-library/memcached/commit/899756d: Memcached 1.6.13

library/memcached

@@ -4,12 +4,12 @@ Maintainers: Tianon Gravi <[email protected]> (@tianon),
              Joseph Ferguson <[email protected]> (@yosifkit)
 GitRepo: https://github.com/docker-library/memcached.git
 
-Tags: 1.6.12, 1.6, 1, latest, 1.6.12-bullseye, 1.6-bullseye, 1-bullseye, bullseye
+Tags: 1.6.13, 1.6, 1, latest, 1.6.13-bullseye, 1.6-bullseye, 1-bullseye, bullseye
 Architectures: amd64, arm32v5, arm32v7, arm64v8, i386, mips64le, ppc64le, s390x
-GitCommit: e0b2a7e2288f313824b2e860d6225d3fd018a7f7
+GitCommit: 899756d891c484fba28c1e29b488e407c0e2d61b
 Directory: debian
 
-Tags: 1.6.12-alpine, 1.6-alpine, 1-alpine, alpine, 1.6.12-alpine3.15, 1.6-alpine3.15, 1-alpine3.15, alpine3.15
+Tags: 1.6.13-alpine, 1.6-alpine, 1-alpine, alpine, 1.6.13-alpine3.15, 1.6-alpine3.15, 1-alpine3.15, alpine3.15
 Architectures: amd64, arm32v7, arm64v8, i386, ppc64le, s390x
-GitCommit: d8dc76b68917cb51e3ecbbf0fc85ca6afc53902a
+GitCommit: 899756d891c484fba28c1e29b488e407c0e2d61b
 Directory: alpine