replace Parse with TryParse

Author: james-bjss

src/GitVersion.Core/VersionCalculation/SemanticVersioning/SemanticVersion.cs

@@ -191,7 +191,7 @@ public static bool TryParse(string version, string tagPrefixRegex, out SemanticV
                 Major = major,
                 Minor = minor,
                 Patch = patch,
-                PreReleaseTag = SemanticVersionPreReleaseTag.Parse(parsed.Groups["Tag"].Value),
+                PreReleaseTag = SemanticVersionPreReleaseTag.TryParse(parsed.Groups["Tag"].Value),
                 BuildMetaData = semanticVersionBuildMetaData
             };
 

src/GitVersion.Core/VersionCalculation/SemanticVersioning/SemanticVersionPreReleaseTag.cs

@@ -103,7 +103,8 @@ public static SemanticVersionPreReleaseTag TryParse(string preReleaseTag)
             }
 
             var value = match.Groups["name"].Value;
-            var number = match.Groups["number"].Success ? int.Parse(match.Groups["number"].Value) : (int?)null;
+            var number = (match.Groups["number"].Success && int.TryParse(match.Groups["number"].Value, out int parsedNumber)) ? (int?)parsedNumber : null;
+
             if (value.EndsWith("-"))
                 return new SemanticVersionPreReleaseTag(preReleaseTag, null);