fix(friends): Normalize friend URLs by removing trailing slashes

- Remove trailing slash from B3n1gn X's URL
- Remove trailing slash from Kazuha's URL
- Remove trailing slash from Lazy_V's Blog URL
- Standardize URL format across friends list for consistency

Author: WangSimiao2000

_data/friends.yml

@@ -2,12 +2,12 @@
 # 每条记录包含: name (必填), url (必填), icon (可选), description (可选)
 
 - name: "B3n1gn X"
-  url: "https://benign.host/"
+  url: "https://benign.host"
   icon: "https://benign.host/_astro/24841247_iUHr3.webp"
   description: "Overflow Stack Developer."
 
 - name: "Kazuha"
-  url: "https://kaze-kazuha.top/"
+  url: "https://kaze-kazuha.top"
   # icon: (无图标，显示默认)
   description: "我的大学同学"
 
@@ -22,6 +22,6 @@
   description: "Leo,中国科学院大学,软件工程"
 
 - name: "Lazy_V's Blog"
-  url: "https://zzxzzk115.github.io/blog/"
+  url: "https://zzxzzk115.github.io"
   icon: "https://zzxzzk115.github.io/blog/logo.png"
   description: "Talk is cheap, show me the code."