test(upload): update the hash of the example file

[tessus]

Description

The file https://upload.wikimedia.org/wikipedia/en/a/a9/Example.jpg was replaced by a different version on March 1st.

I checked, the old file still exists and the hash is the same, but unfortunately the util::sha256_digest seems to take the filename into account, because I tried to replace the link, but the hash changed in the rustypaste tests as well. When I check the hash on the commandline with shasum, it's actually the same though.

Since the hash changes either way, I just updated the hash, instead of link and hash.

Motivation and Context

fixes #253

How Has This Been Tested?

cargo test
fixtures

Changelog Entry

### Fixed

- update hash in tests, since the file changed at source

Types of Changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation (no code change)
• Refactor (refactoring production code)
• Other

Checklist:

• My code follows the code style of this project.
• I have updated the documentation accordingly.
• I have formatted the code with rustfmt.
• I checked the lints with clippy.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 70.42%. Comparing base (db971e6) to head (c6b4a41).
Report is 2 commits behind head on master.

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Additional details and impacted files

@@            Coverage Diff             @@
##           master     #254      +/-   ##
==========================================
- Coverage   70.88%   70.42%   -0.46%     
==========================================
  Files          11       11              
  Lines         625      629       +4     
==========================================
  Hits          443      443              
- Misses        182      186       +4     

Flag	Coverage Δ
unit-tests	70.42% <ø> (-0.46%)	⬇️

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[orhun]

It's fun to see wikipedia getting updated