Update kiwigrid/k8s-sidecar Docker tag to v1.21.0

Signed-off-by: Renovate Bot <[email protected]>

Author: renovate[bot]

README.md

@@ -144,7 +144,7 @@ Kubernetes: `^1.19.0-0`
 | alertmanager.​sidecar.​folderAnnotation | string | `"k8s-sidecar-target-directory"` | The annotation the sidecar will look for in ConfigMaps and/or Secrets to override the destination folder for files. If the value is a relative path, it will be relative to FOLDER |
 | alertmanager.​sidecar.​image.​repository | string | `"kiwigrid/k8s-sidecar"` |  |
 | alertmanager.​sidecar.​image.​sha | string | `""` |  |
-| alertmanager.​sidecar.​image.​tag | string | `"1.19.5"` |  |
+| alertmanager.​sidecar.​image.​tag | string | `"1.21.0"` |  |
 | alertmanager.​sidecar.​imagePullPolicy | string | `"IfNotPresent"` |  |
 | alertmanager.​sidecar.​label | string | `"cortex_alertmanager"` | Label that should be used for filtering |
 | alertmanager.​sidecar.​labelValue | string | `""` | The value for the label you want to filter your resources on. Don't set a value to filter by any value |
@@ -802,7 +802,7 @@ Kubernetes: `^1.19.0-0`
 | ruler.​sidecar.​folderAnnotation | string | `"k8s-sidecar-target-directory"` | The annotation the sidecar will look for in ConfigMaps and/or Secrets to override the destination folder for files. If the value is a relative path, it will be relative to FOLDER |
 | ruler.​sidecar.​image.​repository | string | `"kiwigrid/k8s-sidecar"` |  |
 | ruler.​sidecar.​image.​sha | string | `""` |  |
-| ruler.​sidecar.​image.​tag | string | `"1.19.5"` |  |
+| ruler.​sidecar.​image.​tag | string | `"1.21.0"` |  |
 | ruler.​sidecar.​imagePullPolicy | string | `"IfNotPresent"` |  |
 | ruler.​sidecar.​label | string | `"cortex_rules"` | label that the configmaps with rules are marked with |
 | ruler.​sidecar.​labelValue | string | `""` | The value for the label you want to filter your resources on. Don't set a value to filter by any value |

values.yaml

@@ -291,7 +291,7 @@ alertmanager:
     enabled: false
     image:
       repository: kiwigrid/k8s-sidecar
-      tag: 1.19.5
+      tag: 1.21.0
       sha: ""
     imagePullPolicy: IfNotPresent
     resources: {}
@@ -674,7 +674,7 @@ ruler:
     enabled: false
     image:
       repository: kiwigrid/k8s-sidecar
-      tag: 1.19.5
+      tag: 1.21.0
       sha: ""
     imagePullPolicy: IfNotPresent
     resources: {}