🐛 bug: Fix usage of runtime RO data for ppc64 and s390x platforms (#3772)

Author: gaby

readonly.go

@@ -1,3 +1,5 @@
+//go:build !s390x && !ppc64 && !ppc64le
+
 package fiber
 
 import (

readonly_strict.go

@@ -0,0 +1,9 @@
+//go:build s390x || ppc64 || ppc64le
+
+package fiber
+
+import "unsafe"
+
+func isReadOnly(_ unsafe.Pointer) bool {
+	return false
+}