1) "nystudio107/craft-seomatic": "3.2.3",   // Craft updates style (note the absolute version number)

2) "nystudio107/craft-seomatic": "^3.1.0",  // Composer semver style (note the '^')

...
"scripts": {
  "post-install-cmd": [
    "@php craft migrate/all",
    "@php craft project-config/sync",
    "@php craft clear-caches/all"
  ],
  ...
},
...