Use awk to make PV channel name

.github/workflows/build.yaml

@@ -218,8 +218,10 @@ jobs:
               prefix=${ba[0]}
               if [ "$prefix" == "project" ]; then
                   IFS='_' read -ra prj <<< "${ba[1]}"
+                  prj_str="${prj[*]}"
                   # uppercase first letter of each word
-                  export viewer_channel="Second Life Project ${prj[*]^}"
+                  capitalized=$(echo "$prj_str" | awk '{for (i=1; i<=NF; i++) $i = toupper(substr($i,1,1)) substr($i,2); print}')
+                  export viewer_channel="Second Life Project $capitalized"
               elif  [[ "$prefix" == "release" || "$prefix" == "main" ]];
               then
                   export viewer_channel="Second Life Release"