build: bump compiler to v0.8.19

hardhat.config.ts

@@ -112,7 +112,7 @@ const config: HardhatUserConfig = {
     tests: "./test",
   },
   solidity: {
-    version: "0.8.17",
+    version: "0.8.19",
     settings: {
       metadata: {
         // Not including the metadata hash