🪲 [Fix]: Fix partial version on New-PSSemVer (#28)

## Description

- Fix partial version on `New-PSSemVer`

## Type of change

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- [ ] 📖 [Docs]
- [x] 🪲 [Fix]
- [ ] 🩹 [Patch]
- [ ] ⚠️ [Security fix]
- [ ] 🚀 [Feature]
- [ ] 🌟 [Breaking change]

## Checklist

<!-- Use the check-boxes [x] on the options that are relevant. -->

- [x] I have performed a self-review of my own code
- [x] I have commented my code, particularly in hard-to-understand areas

Author: MariusStorhaug

src/functions/public/New-PSSemVer.ps1

@@ -75,7 +75,14 @@
             if ([string]::IsNullOrEmpty($Version)) {
                 $Version = '0.0.0'
             }
-            return [PSSemVer]::New($Version, $Prerelease, $BuildMetadata)
+            $obj = [PSSemVer]::New($Version)
+            if ($BuildMetadata) {
+                $obj.SetBuildMetadata($BuildMetadata)
+            }
+            if ($Prerelease) {
+                $obj.SetPrerelease($Prerelease)
+            }
+            return $obj
         }
     }
 }