fix: align Jasmine and Docker Node versions

package.json

@@ -79,7 +79,7 @@
     "@angular/cli": "^22.2.1",
     "@angular/compiler-cli": "^22.2.1",
     "@types/express": "^5.0.6",
-    "@types/jasmine": "~7.0.0",
+    "@types/jasmine": "~6.0.0",
     "@types/node": "^25.7.0",
     "@types/showdown": "^2.0.6",
     "@typescript-eslint/eslint-plugin": "8.71.0",
@@ -94,7 +94,7 @@
     "eslint-plugin-promise": "7.3.0",
     "eslint-plugin-unused-imports": "4.4.1",
     "husky": "^9.1.7",
-    "jasmine-core": "~7.0.2",
+    "jasmine-core": "~6.2.0",
     "karma": "~6.4.0",
     "karma-chrome-launcher": "~3.2.0",
     "karma-coverage": "~2.2.0",