Update actions/upload-artifact action to v4

package.json

@@ -26,7 +26,7 @@
     "@sardine/eleventy-plugin-tinyhtml": "^0.2.0",
     "cpx": "^1.5.0",
     "eleventy-plugin-rev": "^2.0.0",
-    "eleventy-sass": "^2.2.6",
+    "eleventy-sass": "^2.2.4",
     "glob": "^11.0.0",
     "minify": "^11.4.0",
     "postcss": "^8.4.41",

src/_data/donations.json

@@ -2,13 +2,6 @@
   {
     "year": 2024,
     "donations": [
-      {
-        "date": "02.08.2024",
-        "amount": 20,
-        "via": "banktransfer",
-        "from": "ub1x",
-        "first": false
-      },
       {
         "date": "03.07.2024",
         "amount": 25,