chore(deps): update angular monorepo to v20.3.18

Author: renovate[bot]

package.json

@@ -328,9 +328,9 @@
   "homepage": "https://github.com/esm-bundle/angular__material#readme",
   "devDependencies": {
     "@angular/cdk": "15.2.9",
-    "@angular/compiler": "20.1.6",
-    "@angular/compiler-cli": "20.1.6",
-    "@angular/core": "20.1.6",
+    "@angular/compiler": "20.3.18",
+    "@angular/compiler-cli": "20.3.18",
+    "@angular/core": "20.3.18",
     "@angular/material": "15.2.9",
     "@rollup/plugin-babel": "6.0.4",
     "concurrently": "9.2.0",