Update Node.js to v22 (#45)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

.tool-versions

@@ -1 +1 @@
-nodejs 20.18.0
+nodejs 22.11.0

package-lock.json

@@ -18,7 +18,7 @@
         "yaml": "^2.2.1"
       },
       "engines": {
-        "node": "20.x"
+        "node": "22.x"
       }
     },
     "node_modules/@actions/cache": {

package.json

@@ -4,7 +4,7 @@
   "description": "Install and configure Bazel for GitHub Actions",
   "main": "index.js",
   "engines": {
-    "node": "20.x"
+    "node": "22.x"
   },
   "scripts": {
     "build": "ncc build index.js -s -o dist/main && ncc build post.js -s -o dist/post",