bump version in package.json to v4.0.0 (#360)

Signed-off-by: Brian DeHamer <[email protected]>

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "actions/attest",
-  "version": "3.2.0",
+  "version": "4.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "actions/attest",
-      "version": "3.2.0",
+      "version": "4.0.0",
       "license": "MIT",
       "dependencies": {
         "@actions/attest": "^3.0.0",

package.json

@@ -1,7 +1,7 @@
 {
   "name": "actions/attest",
   "description": "Generate signed attestations for workflow artifacts",
-  "version": "3.2.0",
+  "version": "4.0.0",
   "author": "",
   "private": true,
   "type": "module",