chore(backend): fix typo in MkImgWithBlurhash.vue

[eltociear]

What

Fixed typo.

occured -> occurred

Why

Additional info (optional)

Checklist

• Read the contribution guide
• Test working in a local environment
• (If needed) Add story of storybook
• (If needed) Update CHANGELOG.md
• (If possible) Add tests

[codecov]

Codecov Report

Merging #11125 (efaa0c1) into develop (be143f9) will increase coverage by 0.04%.
The diff coverage is 0.00%.

@@             Coverage Diff             @@
##           develop   #11125      +/-   ##
===========================================
+ Coverage    77.35%   77.39%   +0.04%     
===========================================
  Files          907      909       +2     
  Lines        91634    91793     +159     
  Branches      7552     7552              
===========================================
+ Hits         70886    71047     +161     
+ Misses       20748    20746       -2     

Impacted Files	Coverage Δ
...ages/frontend/src/components/MkImgWithBlurhash.vue	66.40% <0.00%> (ø)

... and 3 files with indirect coverage changes

[tamaina]

🙏

[tamaina]

(frontend...)