Fixed bug in GitInformation.IsTag where it will never be true even when it should be. (#47)

Signed-off-by: AraHaan <seandhunt_7@yahoo.com>

Author: AraHaan

src/Elskom.GitInformation/Directory.Build.props

@@ -6,8 +6,8 @@
     <PackageTags>GitBuildInformation</PackageTags>
     <Copyright>Copyright (c) 2019-2021</Copyright>
     <Description>A c# library that Registers git repository information on the assembly.</Description>
-    <PackageReleaseNotes>Initial Release.</PackageReleaseNotes>
-    <Version>1.0.0</Version>
+    <PackageReleaseNotes>Fixed bug in GitInformation.IsTag where it will never be true even when it should be.</PackageReleaseNotes>
+    <Version>1.0.1</Version>
     <GeneratePackageOnBuild>false</GeneratePackageOnBuild>
     <NeutralLanguage>en-US</NeutralLanguage>
     <NoWarn>$(NoWarn);NU5104;NU5118</NoWarn>

src/Elskom.GitInformation/GitInformation.cs

@@ -90,7 +90,7 @@ private GitInformation(string headdesc, string commit, string branchname)
         /// <value>
         /// A value indicating whether refs point to a stable tag release.
         /// </value>
-        public bool IsTag => this.Headdesc.StartsWith("refs/tags", StringComparison.Ordinal);
+        public bool IsTag => this.Headdesc.StartsWith("tags/", StringComparison.Ordinal);
 
         /// <summary>
         /// Applies the <see cref="Attribute"/>s that the specified <see cref="Assembly"/> contains.