fix(seo): use bracket notation for Record index signature properties (TS4111)

src/app/services/seo.service.ts

@@ -323,8 +323,8 @@ export class SeoService {
       return;
     }
     const tag: Record<string, string> = { content };
-    if (attrName === 'name') tag.name = attrValue;
-    else if (attrName === 'property') tag.property = attrValue;
+    if (attrName === 'name') tag['name'] = attrValue;
+    else if (attrName === 'property') tag['property'] = attrValue;
     else if (attrName === 'http-equiv') tag['http-equiv'] = attrValue;
     this.metaService.updateTag(tag);
   }