bump version to 1.2.0

Update version in example to latest

README.md

@@ -19,7 +19,7 @@ The value stored inside `file` at key `field`.
 
 ## Example usage
 ```
-uses: SebRollen/toml-action@v1.0.1
+uses: SebRollen/toml-action@v1.0.2
 id: read_toml
 with:
   file: 'myfile.toml'

action.yml

@@ -14,6 +14,5 @@ outputs:
   value:
     description: 'The data stored in `field` inside `file`'
 runs:
-  using: 'node16'
+  using: 'node20'
   main: 'index.js'
-

package.json

@@ -1,6 +1,6 @@
 {
   "name": "toml-action",
-  "version": "1.0.1",
+  "version": "1.2.0",
   "description": "",
   "main": "index.js",
   "scripts": {