Updated topshelf nuget and .net version

[fzr600dave]

No description provided.

[codecov]

Codecov Report

Merging #1 into master will decrease coverage by 3.06%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master       #1      +/-   ##
==========================================
- Coverage   81.63%   78.57%   -3.07%     
==========================================
  Files           4        4              
  Lines          98       98              
  Branches       15       15              
==========================================
- Hits           80       77       -3     
- Misses          8       11       +3     
  Partials       10       10

Impacted Files	Coverage Δ
Grumpy.ServiceBase/CancelableServiceBase.cs	80.85% <0%> (-6.39%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 2b9c7fa...da4ebc5. Read the comment docs.