Update angular monorepo to v15.2.6 (#172)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

package.json

@@ -41,10 +41,10 @@
   },
   "homepage": "https://github.com/esm-bundle/angular__elements#readme",
   "devDependencies": {
-    "@angular/compiler": "15.2.5",
-    "@angular/compiler-cli": "15.2.5",
-    "@angular/core": "15.2.5",
-    "@angular/elements": "15.2.5",
+    "@angular/compiler": "15.2.6",
+    "@angular/compiler-cli": "15.2.6",
+    "@angular/core": "15.2.6",
+    "@angular/elements": "15.2.6",
     "@rollup/plugin-babel": "6.0.3",
     "concurrently": "8.0.1",
     "husky": "8.0.3",