feat(helm-publish): change runs-on

.gitea/workflows/helm-publish.yml

@@ -41,10 +41,6 @@ on:
           Example: `v3.14.0`. Defaults to `latest`.
         type: string
         default: 'latest'
-      runs-on:
-        description: 'Runner label to use for the job.'
-        type: string
-        default: 'ubuntu-latest'
     secrets:
       OCI_REGISTRY_USERNAME:
         description: 'Username for the OCI registry.'
@@ -56,16 +52,11 @@ on:
 jobs:
   publish:
     name: Publish Helm chart
-    runs-on: ${{ inputs.runs-on }}
+    runs-on: ubuntu-custom
     steps:
       - name: Checkout
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
 
-      - name: Setup Helm
-        uses: azure/setup-helm@dda3372f752e03dde6b3237bc9431cdc2f7a02a2 # v5.0.0
-        with:
-          version: ${{ inputs.helm-version }}
-
       - name: Override chart version
         if: ${{ inputs.chart-version != '' }}
         run: |