doc: fix broken links in cli.md

Fix the link to the Environment variables section
and replace the semi-space link with the relevant V8 documentation.

Signed-off-by: HoonDongKang <d159123@naver.com>
PR-URL: #65412
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>

Author: HoonDongKang

doc/api/cli.md

@@ -4328,7 +4328,7 @@ node --stack-trace-limit=12 -p -e "Error.stackTraceLimit" # prints 12
 [running tests from the command line]: test.md#running-tests-from-the-command-line
 [scavenge garbage collector]: https://v8.dev/blog/orinoco-parallel-scavenger
 [security warning]: #warning-binding-inspector-to-a-public-ipport-combination-is-insecure
-[semi-space]: https://www.memorymanagement.org/glossary/s.html#semi.space
+[semi-space]: https://v8.dev/blog/trash-talk#minor-gc
 [single executable application]: single-executable-applications.md
 [snapshot testing]: test.md#snapshot-testing
 [syntax detection]: packages.md#syntax-detection