bitbucket: ensure we ship the Bitbucket DLL

Ensure we actually ship the Bitbucket host provider DLL!

Author: mjcheetham

src/windows/Installer.Windows/Setup.iss

@@ -79,6 +79,7 @@ Filename: "{app}\git-credential-manager-core.exe"; Parameters: "configure"; Flag
 Filename: "{app}\git-credential-manager-core.exe"; Parameters: "unconfigure"; Flags: runhidden
 
 [Files]
+Source: "{#PayloadDir}\Atlassian.Bitbucket.dll";                       DestDir: "{app}"; Flags: ignoreversion
 Source: "{#PayloadDir}\git-credential-manager-core.exe";               DestDir: "{app}"; Flags: ignoreversion
 Source: "{#PayloadDir}\git-credential-manager-core.exe.config";        DestDir: "{app}"; Flags: ignoreversion
 Source: "{#PayloadDir}\git2-572e4d8.dll";                              DestDir: "{app}"; Flags: ignoreversion

src/windows/Payload.Windows/Payload.Windows.csproj

@@ -21,6 +21,7 @@
 
   <ItemGroup>
     <FilesToSign Include="
+      $(OutDir)Atlassian.Bitbucket.dll;
       $(OutDir)git-credential-manager-core.exe;
       $(OutDir)GitHub.dll;
       $(OutDir)GitHub.UI.exe;