improve chart-release workflow (#412)

.cr.yaml

@@ -1 +1,3 @@
 release-name-template: chart-{{ .Version }}
+make-release-latest: false
+skip-existing: true

.github/workflows/chart.yml

@@ -2,9 +2,6 @@ name: Chart
 
 on:
   workflow_dispatch:
-  push:
-    tags:
-    - "chart-*"
 
 permissions:
     contents: write
@@ -18,15 +15,6 @@ jobs:
       with:
           fetch-depth: 0
 
-    - name: Check tag
-      if: github.event_name == 'push'
-      run: |
-        pushed_tag=$(echo ${{ github.ref_name }} | sed "s/chart-//")
-        chart_tag=$(yq .version charts/k3k/Chart.yaml)
-        
-        echo pushed_tag=${pushed_tag} chart_tag=${chart_tag}
-        [ "${pushed_tag}" == "${chart_tag}" ]
-
     - name: Configure Git
       run: |
         git config user.name "$GITHUB_ACTOR"