chore: fix quirks mode warning on Firefox (#600)

sesi200 · web-flow · commit 30c388671462 · 2025-03-05T13:18:00.000+01:00
Our frontend tests found a warning about quirks mode in Firefox in dfinity/sdk#4131. This removes the need for the warning
diff --git a/.github/workflows/bench.yml b/.github/workflows/bench.yml
@@ -6,7 +6,7 @@ jobs:
     name: run benchmark
     runs-on: ubuntu-latest
     env:
-      RUSTC_VERSION: 1.79.0
+      RUSTC_VERSION: 1.81.0
     steps:
     - uses: actions/checkout@v4
     - name: Checkout base branch
diff --git a/tools/ui/Cargo.lock b/tools/ui/Cargo.lock
diff --git a/tools/ui/src/candid.html b/tools/ui/src/candid.html
@@ -1,3 +1,4 @@
+<!DOCTYPE html>
 <html>
   <head>
     <meta charset="UTF-8" />
