chore(deps): bump svelte from 2.16.1 to 3.49.0

Bumps [svelte](https://github.com/sveltejs/svelte) from 2.16.1 to 3.49.0.
- [Release notes](https://github.com/sveltejs/svelte/releases)
- [Changelog](https://github.com/sveltejs/svelte/blob/master/CHANGELOG.md)
- [Commits](https://github.com/sveltejs/svelte/compare/v2.16.1...v3.49.0)

---
updated-dependencies:
- dependency-name: svelte
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -100,7 +100,7 @@
     "sapper": "nolanlawson/sapper#for-pinafore-26",
     "sass": "^1.49.8",
     "stringz": "^2.1.0",
-    "svelte": "^2.16.1",
+    "svelte": "^3.49.0",
     "svelte-extras": "^2.0.2",
     "svelte-loader": "^2.13.6",
     "svelte-transitions": "^1.2.0",

yarn.lock

@@ -6462,10 +6462,10 @@ svelte-transitions@^1.2.0:
     svelte-transitions-fly "^1.0.1"
     svelte-transitions-slide "^1.0.0"
 
-svelte@^2.16.1:
-  version "2.16.1"
-  resolved "https://registry.yarnpkg.com/svelte/-/svelte-2.16.1.tgz#559a68452029e72280311ccc8dfd2ff10d0a5f18"
-  integrity sha512-TpXdfukSkmWkMnH6PPVm7FRW8SSFcTyqBiP+6VN8rtZJ7Lp1Xbf/e3oz73eQBxF0UPZw1aAn1b91lX2XTeD3zg==
+svelte@^3.49.0:
+  version "3.49.0"
+  resolved "https://registry.yarnpkg.com/svelte/-/svelte-3.49.0.tgz#5baee3c672306de1070c3b7888fc2204e36a4029"
+  integrity sha512-+lmjic1pApJWDfPCpUUTc1m8azDqYCG1JN9YEngrx/hUyIcFJo6VZhj0A1Ai0wqoHcEIuQy+e9tk+4uDgdtsFA==
 
 svgo@^2.8.0:
   version "2.8.0"