chore(deps): update ghcr.io/chgl/kube-powertools docker tag to v2.2.8

.github/workflows/ci.yaml

@@ -10,7 +10,7 @@ permissions: read-all
 jobs:
   lint:
     runs-on: ubuntu-22.04
-    container: ghcr.io/chgl/kube-powertools:v2.1.31@sha256:3c0e9cda457f9f6ed3d1ea51a02d54893f53074d98da7469c0da9d28fbbc69b5
+    container: ghcr.io/chgl/kube-powertools:v2.2.8@sha256:07d2fd1e8e49d298dd79b75b5f4843bce0701882af4c72bec6e840b6669a4fa4
     steps:
       - name: Add workspace as safe directory
         run: |

.github/workflows/release.yaml

@@ -13,7 +13,7 @@ permissions: read-all
 jobs:
   release:
     runs-on: ubuntu-22.04
-    container: ghcr.io/chgl/kube-powertools:v2.1.31@sha256:3c0e9cda457f9f6ed3d1ea51a02d54893f53074d98da7469c0da9d28fbbc69b5
+    container: ghcr.io/chgl/kube-powertools:v2.2.8@sha256:07d2fd1e8e49d298dd79b75b5f4843bce0701882af4c72bec6e840b6669a4fa4
     permissions:
       contents: write
       packages: write

README.md

@@ -33,7 +33,7 @@ helm repo update
 1. Mount the folder in the [kube-powertools](https://github.com/chgl/kube-powertools) container to easily run linters and checks
 
    ```sh
-   docker run --rm -it -v $PWD:/root/workspace ghcr.io/chgl/kube-powertools:v2.1.31
+   docker run --rm -it -v $PWD:/root/workspace ghcr.io/chgl/kube-powertools:v2.2.8
    ```
 
 1. Run chart-testing and the `chart-powerlint.sh` script to lint the chart
@@ -45,7 +45,7 @@ helm repo update
 1. (Optional) View the results of the [polaris audit check](https://github.com/FairwindsOps/polaris) in your browser
 
    ```sh
-   $ docker run --rm -it -p 9090:8080 -v $PWD:/root/workspace ghcr.io/chgl/kube-powertools:v2.1.31
+   $ docker run --rm -it -p 9090:8080 -v $PWD:/root/workspace ghcr.io/chgl/kube-powertools:v2.2.8
    bash-5.0: helm template charts/fhir-gateway/ | polaris dashboard --config .polaris.yaml --audit-path -
    ```