Bump ImageSharp dependency to v3.0.1

[JimBobSquarePants]

Prerequisites

• I have written a descriptive pull-request title
• I have verified that there are no overlapping pull-requests open
• I have verified that I am following matches the existing coding patterns and practice as demonstrated in the repository. These follow strict Stylecop rules 👮.
• I have provided test coverage for my change (where applicable)

Description

Updates main project dependencies to latest stable versions.

[codecov]

Codecov Report

Merging #319 (9c20f9e) into main (cc8cc49) will decrease coverage by 1%.
The diff coverage is n/a.

@@         Coverage Diff         @@
##           main   #319   +/-   ##
===================================
- Coverage    85%    85%   -1%     
===================================
  Files        83     83           
  Lines      2375   2375           
  Branches    346    346           
===================================
- Hits       2026   2024    -2     
- Misses      245    247    +2     
  Partials    104    104           

Flag	Coverage Δ
unittests	85% <ø> (-1%)	⬇️

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see 1 file with indirect coverage changes

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