fix(lite): Vite constants declaration (#6511)

@xen-orchestra/lite/.eslintrc.cjs

@@ -2,6 +2,10 @@
 require("@rushstack/eslint-patch/modern-module-resolution");
 
 module.exports = {
+  globals: {
+    XO_LITE_GIT_HEAD: true,
+    XO_LITE_VERSION: true,
+  },
   root: true,
   env: {
     node: true,

@xen-orchestra/lite/env.d.ts

@@ -1,2 +1,5 @@
 /// <reference types="vite/client" />
 /// <reference types="json-rpc-2.0/dist" />
+
+declare const XO_LITE_VERSION: string;
+declare const XO_LITE_GIT_HEAD: string;