chore(deps): update dependency @release-it/bumper to v8

Author: renovate[bot]

package.json

@@ -37,7 +37,7 @@
     "@angular/build": "21.2.19",
     "@angular/cli": "21.2.19",
     "@angular/compiler-cli": "21.2.18",
-    "@release-it/bumper": "7.0.6",
+    "@release-it/bumper": "8.0.0",
     "@release-it/conventional-changelog": "11.0.1",
     "jsdom": "29.1.1",
     "ng-packagr": "21.2.5",