upgrade packages

elm.json

@@ -13,20 +13,20 @@
             "elm/random": "1.0.0",
             "elm/time": "1.0.0",
             "elm/url": "1.0.0",
-            "mpizenberg/elm-pointer-events": "4.0.2",
-            "rtfeldman/elm-css": "17.0.5"
+            "mpizenberg/elm-pointer-events": "5.0.0",
+            "rtfeldman/elm-css": "18.0.0"
         },
         "indirect": {
             "elm/bytes": "1.0.8",
             "elm/file": "1.0.5",
-            "elm/virtual-dom": "1.0.2",
+            "elm/virtual-dom": "1.0.3",
             "robinheghan/murmur3": "1.0.0",
             "rtfeldman/elm-hex": "1.0.0"
         }
     },
     "test-dependencies": {
         "direct": {
-            "elm-explorations/test": "1.2.2"
+            "elm-explorations/test": "2.2.0"
         },
         "indirect": {}
     }