modrinth: re-download Modrinth projects based on modified time rather than filename existence (#454)

Author: itzg

src/main/java/me/itzg/helpers/modrinth/ModrinthCommand.java

@@ -235,7 +235,7 @@ private Path download(ProjectType projectType, VersionFile versionFile) {
             return fetch(URI.create(versionFile.getUrl()))
                 .userAgentCommand("modrinth")
                 .toFile(outPath)
-                .skipExisting(true)
+                .skipUpToDate(true)
                 .execute();
         } catch (IOException e) {
             throw new RuntimeException("Downloading mod file", e);