Fix changelog issue reference for QUARTO_R crash fix

Line was citing #14735 (a different fix, already correctly cited on
the knitr cache-globals entry above it). The QUARTO_R crash fix in
#14790 is a duplicate of #14775; link that instead.

Author: cderv

news/changelog-1.11.md

@@ -30,4 +30,4 @@ All changes included in 1.11:
 
 ## Other fixes and improvements
 
-- [#14735](https://github.com/quarto-dev/quarto-cli/issues/14735) Fix a crash when the `QUARTO_R` environment variable is set to a malformed path. Quarto now warns and falls back to other R lookup strategies instead of aborting the render. ([posit-dev/positron#15614](https://github.com/posit-dev/positron/discussions/15614))
+- ([#14775](https://github.com/quarto-dev/quarto-cli/issues/14775)): Fix a crash when the `QUARTO_R` environment variable is set to a malformed path. Quarto now warns and falls back to other R lookup strategies instead of aborting the render. ([posit-dev/positron#15614](https://github.com/posit-dev/positron/discussions/15614))