chore: Update docs

Author: AndreZiviani

docs/sources/setup/install/helm/reference.md

@@ -2009,7 +2009,7 @@ null
 		<tr>
 			<td>chunksCache.persistence.storageSize</td>
 			<td>string</td>
-			<td>Size of persistent disk</td>
+			<td>Size of persistent disk, must be in G or Gi</td>
 			<td><pre lang="json">
 "10G"
 </pre>
@@ -6475,7 +6475,12 @@ false
 			<td>object</td>
 			<td>The SecurityContext override for memcached pods</td>
 			<td><pre lang="json">
-{}
+{
+  "fsGroup": 11211,
+  "runAsGroup": 11211,
+  "runAsNonRoot": true,
+  "runAsUser": 11211
+}
 </pre>
 </td>
 		</tr>
@@ -9474,7 +9479,7 @@ null
 		<tr>
 			<td>resultsCache.persistence.storageSize</td>
 			<td>string</td>
-			<td>Size of persistent disk</td>
+			<td>Size of persistent disk, must be in G or Gi</td>
 			<td><pre lang="json">
 "10G"
 </pre>

production/helm/loki/CHANGELOG.md

@@ -13,6 +13,10 @@ Entries should include a reference to the pull request that introduced the chang
 
 [//]: # (<AUTOMATED_UPDATES_LOCATOR> : do not remove this line. This locator is used by the CI pipeline to automatically create a changelog entry for each new Loki release. Add other chart versions and respective changelog entries bellow this line.)
 
+## 6.13.1
+
+- [BUGFIX] Fixed Memcached persistence options.
+
 ## 6.13.0
 
 - [CHANGE] Correctly wrap ClusterRoleBinding around `rbac/namespaced` conditional.