fix(shared): Include pre-release info in floating version

This was previously also fixed across two PRs for boil:

- stackabletech/docker-images#1601
- stackabletech/docker-images#1606

This is a further indicator that this should live in a central
crate which can be used across our codebase. This will be done
in a follow-up PR.

Author: Techassi

crates/stackable-shared/src/semver.rs

@@ -34,7 +34,13 @@ impl VersionExt for ::semver::Version {
         if self.is_floating() {
             self.to_string()
         } else {
-            format!("{major}.{minor}", major = self.major, minor = self.minor)
+            let mut version = format!("{major}.{minor}", major = self.major, minor = self.minor);
+            if !self.pre.is_empty() {
+                version.push('-');
+                version.push_str(&self.pre);
+            }
+
+            version
         }
     }