替换 symbl.cc 的链接为 Unicode 官方网页

Author: pre-commit-ci[bot]

docs/2023-06-26-space.md

@@ -44,6 +44,6 @@ Python 标准库 **unicodedata** 包含了这些数据。
 
 :material-eye-arrow-right-outline: [Adventures in Space: Spaces | FontShop](https://www.fontshop.com/content/adventures-in-space_spaces)
 
-:material-eye-arrow-right-outline: [General Punctuation,          , 112 symbols, Unicode Range: 2000-206F (◕‿◕) SYMBL](https://symbl.cc/en/unicode/blocks/general-punctuation/)
+:material-eye-arrow-right-outline: [Table 6-2. Unicode Space Characters – §6.2 General Punctuation | Unicode 17.0.0 Core Specification](https://www.unicode.org/versions/Unicode17.0.0/core-spec/chapter-6/#G17548)
 
 :material-eye-arrow-right-outline: [Zero-Width Space | CSS-Tricks - CSS-Tricks](https://css-tricks.com/zero-width-space/)