Bump @actions/core to 1.9.1 (#56)

Fixes CVE-2022-35954. Does not look like anything terriblity important
to me, but hey, audit is happy.

node_modules/uuid/dist/esm-node/version.js

@@ -0,0 +1,11 @@
+import validate from './validate.js';
+
+function version(uuid) {
+  if (!validate(uuid)) {
+    throw TypeError('Invalid UUID');
+  }
+
+  return parseInt(uuid.substr(14, 1), 16);
+}
+
+export default version;