fix: pass kubeconfig as secret

Author: pandatix

dist/install.js

@@ -10,7 +10,8 @@ async function run(): Promise<void> {
 
         await stack.setAllConfig({
             'install:kubeconfig': {
-                value: core.getInput('kubeconfig')
+                value: core.getInput('kubeconfig'),
+                secret: true
             },
             'install:namespace': {
                 value: core.getInput('namespace')