Bump log4net from 2.0.17 to 3.0.0 (#149)

Bumps [log4net](https://github.com/apache/logging-log4net) from 2.0.17 to 3.0.0.
- [Release notes](https://github.com/apache/logging-log4net/releases)
- [Commits](apache/logging-log4net@rel/2.0.17...rel/3.0.0)

---
updated-dependencies:
- dependency-name: log4net
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

NeedABreak/NeedABreak.csproj

@@ -110,7 +110,7 @@
       <Version>1.1.0</Version>
     </PackageReference>
     <PackageReference Include="log4net">
-      <Version>2.0.17</Version>
+      <Version>3.0.0</Version>
     </PackageReference>
     <PackageReference Include="MahApps.Metro">
       <Version>2.4.10</Version>