Fix date for v0.5.0 in citation

[ljhwang]

Fixes the year for the citation to the software for v0.5.0 to 2023.

Also changes the day of the month to align with the citation on Zenodo.

This may not change everywhere where the citation is incorrect. Only the places I noticed :)

[codecov]

Codecov Report

Merging #517 (28c2d62) into main (a280aa9) will not change coverage.
The diff coverage is n/a.

❗ Current head 28c2d62 differs from pull request most recent head db3ec71. Consider uploading reports for the commit db3ec71 to get more accurate results

@@           Coverage Diff           @@
##             main     #517   +/-   ##
=======================================
  Coverage   93.45%   93.45%           
=======================================
  Files          92       92           
  Lines        6279     6279           
=======================================
  Hits         5868     5868           
  Misses        411      411           

---

Continue to review full report in Codecov by Sentry.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update a280aa9...db3ec71. Read the comment docs.

[MFraters]

Great, thanks for the fix!

[github-actions]

Benchmark	Main	Feature	Difference (99.9% CI)
Slab interpolation simple none	1.188 ± 0.006 (s=384)	1.187 ± 0.005 (s=376)	-0.2% .. +0.1%
Slab interpolation curved simple none	1.270 ± 0.006 (s=360)	1.269 ± 0.005 (s=351)	-0.1% .. +0.1%
Spherical slab interpolation simple none	1.489 ± 0.006 (s=302)	1.488 ± 0.005 (s=305)	-0.2% .. +0.0%
Slab interpolation simple curved CMS	1.576 ± 0.027 (s=304)	1.575 ± 0.025 (s=270)	-0.5% .. +0.4%
Spherical slab interpolation simple CMS	2.928 ± 0.073 (s=156)	2.919 ± 0.062 (s=154)	-1.2% .. +0.5%
Spherical fault interpolation simple none	1.511 ± 0.006 (s=319)	1.512 ± 0.008 (s=279)	-0.1% .. +0.2%
Cartesian min max surface	3.004 ± 0.016 (s=148)	3.006 ± 0.016 (s=154)	-0.1% .. +0.3%
Spherical min max surface	9.603 ± 0.398 (s=52)	9.617 ± 0.433 (s=44)	-2.9% .. +3.2%