CLIENT-SPECIFICATION: remove redirect indicators, use autolinks (#12133)

* CLIENT-SPECIFICATION: remove redirect indicators, use autolinks

Autolinks are part of the CommonMark spec (ref <https://spec.commonmark.org/0.30/#autolinks>) and are well supported.

Redirect indicators are removed as a part of #12048.

* CLIENT-SPECIFICATION: update changelog

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Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>
Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

CLIENT-SPECIFICATION.md

@@ -233,6 +233,9 @@ the commit hash changes when merging with squash or rebase.
 -->
 
 - Unreleased
+  - Removed redirect text from the [caching section](#caching) ([#12133](https://github.com/tldr-pages/tldr/pull/12133))
+  - Updated asset URLs to use GitHub releases ([#12158](https://github.com/tldr-pages/tldr/pull/12158))
+  - Add requirement to disambiguate triple-brace placeholders ([#12158](https://github.com/tldr-pages/tldr/pull/12158))
 
 - [v2.1, November 30th 2023](https://github.com/tldr-pages/tldr/blob/v2.1/CLIENT-SPECIFICATION.md) ([#11523](https://github.com/tldr-pages/tldr/pull/11523))
   - Add requirement to support escaping the placeholder syntax in certain pages ([#10730](https://github.com/tldr-pages/tldr/pull/10730))