fix: adopt lwr v0.16.3 (#325)

- address authentication cookie issues
- render commerce b2b store
- enable switching between auth / guest user mode

Author: nrkruk

package.json

@@ -9,7 +9,7 @@
     "@inquirer/select": "^2.4.7",
     "@lwc/lwc-dev-server": "~11.1.0",
     "@lwc/sfdc-lwc-compiler": "~11.1.0",
-    "@lwrjs/api": "0.16.2",
+    "@lwrjs/api": "0.16.3",
     "@oclif/core": "^4.1.0",
     "@salesforce/core": "^8.6.2",
     "@salesforce/kit": "^3.1.6",