chore(memcached): update image docker.io/bitnamisecure/memcached digest to 1bf872e (#44832)

This PR contains the following updates:

| Package | Update | Change |
|---|---|---|
| docker.io/bitnamisecure/memcached | digest | `64bfe24` → `1bf872e` |

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charts/stable/memcached/Chart.yaml

@@ -42,5 +42,5 @@ sources:
   - https://github.com/trueforge-org/truecharts/tree/master/charts/stable/memcached
   - https://hub.docker.com/r/bitnamisecure/memcached
 type: application
-version: 16.14.19
+version: 16.14.20
 

charts/stable/memcached/values.yaml

@@ -1,7 +1,7 @@
 image:
   repository: docker.io/bitnamisecure/memcached
   pullPolicy: IfNotPresent
-  tag: latest@sha256:64bfe24afe922eb849b057ec547dbe515ca9009192a6f364f2a0c11cfa8ffab0
+  tag: latest@sha256:1bf872e43187ac3cfa560a1bc27fdcaeb3efa8082472fc4dbde959c877630c4e
 
 service:
   main: