Update JS dependencies (go-gitea#28537)

- Update all JS dependencies excluding mcaptcha (breaking changes) and
stylelint (plugin not compatible with v16)
- Regenerate SVGs
- Update markdownlint rule names
- Fix one issue of heading in markdown discovered during lint
- Update for monaco options renames
- Fix stylelint rule length-zero-no-unit for custom properties
- Tested editor, swagger, sorting, vue, lint

.markdownlint.yaml

@@ -1,12 +1,12 @@
 commands-show-output: false
 fenced-code-language: false
 first-line-h1: false
-header-increment: false
+heading-increment: false
 line-length: {code_blocks: false, tables: false, stern: true, line_length: -1}
 no-alt-text: false
 no-bare-urls: false
 no-blanks-blockquote: false
-no-emphasis-as-header: false
+no-emphasis-as-heading: false
 no-empty-links: false
 no-hard-tabs: {code_blocks: false}
 no-inline-html: false

.stylelintrc.yaml

@@ -74,7 +74,7 @@ rules:
  keyframe-declaration-no-important: true
  keyframe-selector-notation: null
  keyframes-name-pattern: null
- length-zero-no-unit: true
+ length-zero-no-unit: [true, ignore: [custom-properties], ignoreFunctions: [var]]
  max-nesting-depth: null
  media-feature-name-allowed-list: null
  media-feature-name-disallowed-list: null

docs/content/administration/config-cheat-sheet.zh-cn.md

@@ -987,7 +987,7 @@ Gitea 创建以下非唯一队列：
 - `LAST_UPDATED_MORE_THAN_AGO`: **72h**: 只会尝试回收超过此时间（默认3天）没有尝试过回收的 LFSMetaObject。
 - `NUMBER_TO_CHECK_PER_REPO`: **100**: 每个仓库要检查的过期 LFSMetaObject 的最小数量。设置为 `0` 以始终检查所有。
 
-# Git (`git`)
+## Git (`git`)
 
 - `PATH`: **""**: Git可执行文件的路径。如果为空，Gitea将在PATH环境中搜索。
 - `HOME_PATH`: **%(APP_DATA_PATH)s/home**: Git的HOME目录。