Attempt to fix Xcode Cloud again

This time, run the git fetch tags and genversion in the pre
xcodebuild script.

Signed-off-by: Christopher Snowhill <kode54@gmail.com>

ci_scripts/ci_post_clone.sh

@@ -2,10 +2,4 @@
 
 BASEDIR=$(dirname "$0")
 
-git=$(which git)
-
 "${BASEDIR}/../Scripts/extract_libraries.sh"
-
-"$git" -C "${BASEDIR}/.." fetch --tags
-
-"${BASEDIR}/../Scripts/genversion.sh"

ci_scripts/ci_pre_xcodebuild.sh

@@ -0,0 +1,9 @@
+#!/bin/sh
+
+BASEDIR=$(dirname "$0")
+
+git=$(which git)
+
+"$git" -C "${BASEDIR}/.." fetch --tags
+
+"${BASEDIR}/../Scripts/genversion.sh"