fix(deps): update dependency @material/web to v1

This CL also fixes many things necessary for the update.

It also changes the entire md3 theme, since there have been a lot of
breaking changes and this is the easiest way to have a working theme
again (it is also an improvement).

Change-Id: I4a412e0c0ca4345084c724fcaba000293521e907
diff --git a/src/static/options/workflows.html b/src/static/options/workflows.html
index c00dcda..72cfe41 100644
--- a/src/static/options/workflows.html
+++ b/src/static/options/workflows.html
@@ -4,7 +4,7 @@
     <meta charset="utf-8">
     <title>Workflow manager</title>
     <meta name="viewport" content="width=device-width, initial-scale=1">
-    <link rel="stylesheet" href="https://fonts.googleapis.com/icon?family=Material+Icons">
+    <link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:FILL@0..1">
     <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Roboto:300,400,500">
     <style>
     body {