fix(deploy): respect WERF_ENV environment variable for converge and dismiss actions

action.yml

@@ -12,9 +12,10 @@ inputs:
   version:
     description: 'The certain version'
     required: false
-  env:
+  env: # DEPRECATED: Use WERF_ENV environment variable instead (e.g., env: { WERF_ENV: value })
     description: 'Specific deployment environment'
-    required: true
+    default: ''
+    required: false
   github-token:
     description: 'The GitHub token used to login and to interact with Docker Github Packages'
     default: ${{ github.token }}