refactor: rename the project to JerapahFlow (jerapah-flow)

Update package names, env vars, cookie, and default ntfy topics while keeping SCRUNNER_* fallbacks.

Co-authored-by: Cursor <cursoragent@cursor.com>

packages/server/script-sandbox.js

@@ -395,7 +395,7 @@ function createScriptSandbox({
   };
 
   vm.createContext(sandbox, {
-    name: `scrunner:${workflowName}:${script}`,
+    name: `jerapah-flow:${workflowName}:${script}`,
     codeGeneration: { strings: false, wasm: false },
   });