whitelists: rename ksh93uxm into ksh93u+m

The dashboard needs the real source name of the package and
not the repository name.

Signed-off-by: Dylan Aïssi <dylan.aissi@collabora.com>

data/whitelists.yaml

@@ -56,7 +56,7 @@ whitelists:
     what-is-python: "uses a different version for the binary package"
     android-sdk-meta: "uses a different version for the build-tools and build-tools-common binary package"
     lvm2: "uses a different version for some binary packages"
-    ksh93uxm: "uses a different version for the ksh binary package"
+    ksh93u+m: "uses a different version for the ksh binary package"
     samba: "generates the binary version from the embedded LDB version"
     inetutils: "generates the telnet and telnetd version with a prefix to avoid using epoch"
   failed_pipeline_branch_ignore_list: