graph init: Improve error reporting (#1960)

* show error on abi fetch fail

* changeset

Author: YaroShkvorets

.changeset/yellow-jobs-brake.md

@@ -0,0 +1,5 @@
+---
+'@graphprotocol/graph-cli': patch
+---
+
+`graph init`: improve error reporting

packages/cli/src/commands/init.ts

@@ -231,7 +231,7 @@ export default class InitCommand extends Command {
               ? sourcifyContractInfo.abi
               : await contractService.getABI(ABI, network, fromContract!);
           } catch (e) {
-            this.exit(1);
+            this.error(`Failed to get ABI: ${e.message}`, { exit: 1 });
           }
         }
       }