Update memcached

Changes:

- https://github.com/docker-library/memcached/commit/0f0140d: Update 1 to alpine 3.20

library/memcached

@@ -9,7 +9,7 @@ Architectures: amd64, arm32v5, arm64v8, i386, mips64le, ppc64le, s390x
 GitCommit: 89cfc0a083fd575c2d809c280e7e5ba9b1622072
 Directory: 1/debian
 
-Tags: 1.6.27-alpine, 1.6-alpine, 1-alpine, alpine, 1.6.27-alpine3.19, 1.6-alpine3.19, 1-alpine3.19, alpine3.19
-Architectures: amd64, arm64v8, i386, ppc64le, s390x
-GitCommit: 89cfc0a083fd575c2d809c280e7e5ba9b1622072
+Tags: 1.6.27-alpine, 1.6-alpine, 1-alpine, alpine, 1.6.27-alpine3.20, 1.6-alpine3.20, 1-alpine3.20, alpine3.20
+Architectures: amd64, arm64v8, i386, ppc64le, riscv64, s390x
+GitCommit: 0f0140d7051feedb89e5373ce965fa33a2ef17d5
 Directory: 1/alpine