chore(lazer): disable publishing solana contract to npm (#2130)

lazer/contracts/solana/package.json

@@ -1,5 +1,6 @@
 {
   "name": "@pythnetwork/pyth-lazer-solana-contract",
+  "private": true,
   "license": "ISC",
   "scripts": {
     "fix:format": "prettier --write **/*.*",