fix(list): skip products with non-semver versions

The registry now contains products with non-semver version strings
(e.g. `dev`). `product_metadata()` uses `tryparse` instead of
`VersionNumber` to silently skip these rather than throwing.

Author: MichaelHatherly

src/PumasProductManager.jl

@@ -172,10 +172,13 @@ end
 
 function product_metadata()
     ids = products()
-    return map(ids) do id
+    metadata = Tuple{SubString{String},VersionNumber}[]
+    for id in ids
         name, version = split(id, "@"; limit = 2)
-        return name, VersionNumber(version)
+        v = tryparse(VersionNumber, version)
+        isnothing(v) || push!(metadata, (name, v))
     end
+    return metadata
 end
 
 function list(io = stdout)