ci: update sccache action

[CosmicHorrorDev]

time to see if sccache actually saves things now 🤞

Compile requests executed           395
Cache hits                            0
Cache misses                        394
...
Cache write errors                  394
...
Compilation failures                  1

[CosmicHorrorDev]

yay cache worky now 🎉

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 68.26%. Comparing base (f46af6f) to head (5d9f240).
⚠️ Report is 15 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #140   +/-   ##
=======================================
  Coverage   68.26%   68.26%           
=======================================
  Files          26       26           
  Lines        2565     2565           
  Branches      116      116           
=======================================
  Hits         1751     1751           
  Misses        754      754           
  Partials       60       60           

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[fasterthanlime]

@CosmicHorrorDev Say, I was thinking, you're contributing to rc-zip more than I am right now. Would you like push access?

[CosmicHorrorDev]

sure! it'd make me feel better about spamming fiddly little version updates

i'll leave any significant changes up to your review still of course

[fasterthanlime]

sure!

🪄✨ it is done