chore: bump Node version to node20 (#13)

* update to nodejs20

* fix type error

Author: luojiyin1987

action.yaml

@@ -7,7 +7,7 @@ branding:
   color: "blue"
 
 runs:
-  using: "node16"
+  using: "node20"
   pre: "dist/pre.js"
   main: "dist/index.js"
   post: "dist/post.js"
@@ -23,7 +23,7 @@ inputs:
   overwrite:
     description: "Overwrite target container image with slimmed version (only if target is not ID)"
     required: false
-    default: false
+    default: "false"
   version:
     description: "Define Slim version"
     required: false

src/index.ts

@@ -55,7 +55,7 @@ async function get_slim() {
   KERNEL = os.platform();
   MACHINE = os.arch();
 
-  // Determine the target distrubution
+  // Determine the target distribution
   if (KERNEL === 'linux') {
     EXT = 'tar.gz';
     if (MACHINE === 'x64') {