Merge #19547: doc: Update macOS cross compilation dependencies for Focal

6be3eeb doc: Update macOS cross compilation dependencies for Focal (Hennadii Stepanov)

Pull request description:

  The [`libtinfo5`](https://packages.ubuntu.com/focal/libtinfo5) package is required on Ubuntu Focal for macOS cross compilation.

  Fixes #19546.

ACKs for top commit:
  fanquake:
    ACK 6be3eeb I have been [installing the libtinfo5 package](https://github.com/fanquake/core-review/blob/master/docker/debian9.dockerfile#L18) into my cross-compiling images, so mostly forgot about this.

Tree-SHA512: f40ab1efae549276e520f9cc3200438e70297c3081a3f9acc3075ec11d494fd6176ed3f1d4889b39eb2a5706eac835844a75b79335bb7f3c21c985e0779a7562

Author: fanquake

depends/README.md

@@ -44,7 +44,7 @@ The paths are automatically configured and no other options are needed unless ta
 
 #### For macOS cross compilation
 
-    sudo apt-get install curl librsvg2-bin libtiff-tools bsdmainutils cmake imagemagick libcap-dev libz-dev libbz2-dev python3-setuptools
+    sudo apt-get install curl librsvg2-bin libtiff-tools bsdmainutils cmake imagemagick libcap-dev libz-dev libbz2-dev python3-setuptools libtinfo5
 
 #### For Win64 cross compilation