Update web exports to Godot 4.5.1 (#1290)

.github/workflows/check_urls.yml

@@ -9,7 +9,7 @@ jobs:
       - uses: actions/checkout@v6
 
       - name: Restore lychee cache
-        uses: actions/cache@v5
+        uses: actions/cache@v4
         with:
           path: .lycheecache
           key: cache-lychee-${{ github.sha }}

.github/workflows/export_web.yml

@@ -5,7 +5,7 @@ on:
       - master
 
 env:
-  GODOT_VERSION: 4.3
+  GODOT_VERSION: 4.5.1
 
 jobs:
   export-html5:
@@ -13,7 +13,7 @@ jobs:
     name: Export projects to Web and deploy to GitHub Pages
     runs-on: ubuntu-24.04
     container:
-      image: barichello/godot-ci:4.3
+      image: barichello/godot-ci:4.5.1
     steps:
       - name: Checkout
         uses: actions/checkout@v6