fix(deps): update dependency excalibur to v0.28.7

package.json

@@ -35,7 +35,7 @@
     "@types/domready": "1.0.2",
     "@types/webpack-env": "1.18.4",
     "domready": "1.0.8",
-    "excalibur": "0.26.0",
+    "excalibur": "0.28.7",
     "tslib": "2.6.2",
     "unknown": "0.2.5"
   },

yarn.lock

@@ -2859,10 +2859,10 @@ copy-anything@^2.0.1:
   dependencies:
     is-what "^3.14.1"
 
-core-js@3.22.5:
-  version "3.22.5"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.22.5.tgz#a5f5a58e663d5c0ebb4e680cd7be37536fb2a9cf"
-  integrity sha512-VP/xYuvJ0MJWRAobcmQ8F2H6Bsn+s7zqAAjFaHGBMc5AQm7zaelhD1LGduFn2EehEcQcU+br6t+fwbpQ5d1ZWA==
+core-js@3.33.3:
+  version "3.33.3"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.33.3.tgz#3c644a323f0f533a0d360e9191e37f7fc059088d"
+  integrity sha512-lo0kOocUlLKmm6kv/FswQL8zbkH7mVsLJ/FULClOhv8WRVmKLVcs6XPNQAzstfeJTCHMyButEwG+z1kHxHoDZw==
 
 core-js@^2.4.0, core-js@^2.5.0:
   version "2.6.12"
@@ -3736,12 +3736,12 @@ events@^3.2.0:
   resolved "https://registry.yarnpkg.com/events/-/events-3.3.0.tgz#31a95ad0a924e2d2c419a813aeb2c4e878ea7400"
   integrity sha512-mQw+2fkQbALzQ7V0MY0IqdnXNOeTtP4r0lN9z7AAawCXgqea7bDii20AYrIBrFd/Hx0M2Ocz6S111CaFkUcb0Q==
 
-excalibur@0.26.0:
-  version "0.26.0"
-  resolved "https://registry.yarnpkg.com/excalibur/-/excalibur-0.26.0.tgz#0c60b85dbf309a0b088fbe83edde9b8baf178034"
-  integrity sha512-TbQ9K/RA99CJW8ksTpgxVbg3hECv3hk+tTgovltL0oba4WuoXlL0DY9hWuoID5G9wbpVJiXiE8dA0Wyfd8ksfg==
+excalibur@0.28.7:
+  version "0.28.7"
+  resolved "https://registry.yarnpkg.com/excalibur/-/excalibur-0.28.7.tgz#594131f5f57bb655703c7109fb183d134484f1f9"
+  integrity sha512-ws4hT4xE4+EaICdxHvI9pZV3L+RdtJK+H36KUfCoYQK3uaZNlnIO4JoeqMvKYbcCOZybKzW73W9+DyIjAiBvnA==
   dependencies:
-    core-js "3.22.5"
+    core-js "3.33.3"
 
 execa@^5.0.0:
   version "5.1.1"