Fix setOnSetGetEnv parameter name (#12220)

Co-authored-by: Fugi <Fugiman47@gmail.com>

Author: bluwy

.changeset/bright-bananas-run.md

@@ -0,0 +1,5 @@
+---
+"astro": patch
+---
+
+Fixes accidental internal `setOnSetGetEnv` parameter rename that caused runtime errors

packages/astro/templates/env/module.mjs

@@ -26,6 +26,8 @@ const _internalGetSecret = (key) => {
 };
 
 // used while generating the virtual module
-setOnSetGetEnv((_reset) => {
+// biome-ignore lint/correctness/noUnusedFunctionParameters: `reset` is used by the generated code
+// biome-ignore lint/correctness/noUnusedVariables: `reset` is used by the generated code
+setOnSetGetEnv((reset) => {
 	// @@ON_SET_GET_ENV@@
 });