chore: update release system

- Add publish:patch/minor/major scripts for manual releases
- Remove automatic version bump on every commit
- Keep create-release.yml for automatic SBOM generation on tags

Author: edospadoni

.github/workflows/npm-publish.yml

@@ -4,7 +4,11 @@
   "description": "Node.js proxy for Asterisk PBX",
   "main": "index.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "publish:minor": "npm version minor --allow-same-version -m v%s --force",
+    "publish:major": "npm version major --allow-same-version -m v%s --force",
+    "publish:patch": "npm version patch --allow-same-version -m v%s --force",
+    "postversion": "git push origin master --tags"
   },
   "repository": {
     "type": "git",