ci(actions): update github actions (#2346)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.github/workflows/lint-helm-charts.yml

@@ -28,7 +28,7 @@ jobs:
       contents: read
     steps:
       - name: Checkout
-        uses: actions/checkout@08c6903cd8c0fde910a37f88322edcfb5dd907a8 # v5.0.0
+        uses: actions/checkout@93cb6efe18208431cddfb8368fd83d5badbf9bfd # v5.0.1
         with:
           fetch-depth: 0
           persist-credentials: false
@@ -37,7 +37,7 @@ jobs:
         uses: azure/setup-helm@1a275c3b69536ee54be43f2070a358922e12c8d4 # v4.3.1
 
       - name: Set up chart-testing
-        uses: helm/chart-testing-action@0d28d3144d3a25ea2cc349d6e59901c4ff469b3b # v2.7.0
+        uses: helm/chart-testing-action@6ec842c01de15ebb84c8627d2744a0c2f2755c9f # v2.8.0
 
       - name: Ensure documentation is updated
         uses: docker://jnorwood/helm-docs:v1.14.2@sha256:7e562b49ab6b1dbc50c3da8f2dd6ffa8a5c6bba327b1c6335cc15ce29267979c