Bump SweetLib from 0.2.1-alpha to 0.2.1-alpha.2

Bumps [SweetLib](https://github.com/Serraniel/SweetLib) from 0.2.1-alpha to 0.2.1-alpha.2.
- [Release notes](https://github.com/Serraniel/SweetLib/releases)
- [Commits](https://github.com/Serraniel/SweetLib/commits/SweetLib/0.2.1-alpha.2)

---
updated-dependencies:
- dependency-name: SweetLib
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Discord Media Loader.Application/packages.config

@@ -8,7 +8,7 @@
   <package id="NETStandard.Library" version="2.0.3" targetFramework="net461" />
   <package id="Newtonsoft.Json" version="12.0.2" targetFramework="net461" />
   <package id="SharpRaven" version="2.4.0" targetFramework="net461" />
-  <package id="SweetLib" version="0.2.1-alpha" targetFramework="net461" />
+  <package id="SweetLib" version="0.2.1-alpha.2" targetFramework="net461" />
   <package id="System.Buffers" version="4.5.1" targetFramework="net461" />
   <package id="System.Collections.Immutable" version="5.0.0" targetFramework="net461" />
   <package id="System.Linq" version="4.3.0" targetFramework="net461" requireReinstallation="true" />