Bump SharpZipLib from 1.2.0 to 1.3.3 in /LuaSTGEditorSharp.Core

Bumps [SharpZipLib](https://github.com/icsharpcode/SharpZipLib) from 1.2.0 to 1.3.3.
- [Release notes](https://github.com/icsharpcode/SharpZipLib/releases)
- [Changelog](https://github.com/icsharpcode/SharpZipLib/blob/master/docs/Changes.txt)
- [Commits](icsharpcode/SharpZipLib@v1.2.0...v1.3.3)

---
updated-dependencies:
- dependency-name: SharpZipLib
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

LuaSTGEditorSharp.Core/packages.config

@@ -2,5 +2,5 @@
 <packages>
   <package id="AvalonEdit" version="6.0.1" targetFramework="net461" />
   <package id="Newtonsoft.Json" version="12.0.3" targetFramework="net461" />
-  <package id="SharpZipLib" version="1.2.0" targetFramework="net461" />
+  <package id="SharpZipLib" version="1.3.3" targetFramework="net461" />
 </packages>