fix(dash): use import.meta.env instead of process.env

Author: Nitrrine

apps/dashboard/src/layouts/Layout.astro

@@ -17,8 +17,8 @@ import "../styles/fonts.scss"
       <span>@smc/dashboard</span>
       <code
         >{
-          process.env.CF_PAGES_COMMIT_SHA
-            ? (process.env.CF_PAGES_COMMIT_SHA as string).substring(0, 7)
+          import.meta.env.CF_PAGES_COMMIT_SHA
+            ? (import.meta.env.CF_PAGES_COMMIT_SHA as string).substring(0, 7)
             : "a1b2c3d"
         }</code
       >