chore: update nightly e2e slack messages

[Callisto13]

The tests are not really e2e for liquid metal, so it is a bit misleading
calling them that in slack.

[codecov-commenter]

Codecov Report

Merging #366 (fbd7c1c) into main (12e3417) will increase coverage by 0.03%.
The diff coverage is n/a.

❗ Current head fbd7c1c differs from pull request most recent head b29d2d3. Consider uploading reports for the commit b29d2d3 to get more accurate results

@@            Coverage Diff             @@
##             main     #366      +/-   ##
==========================================
+ Coverage   57.68%   57.72%   +0.03%     
==========================================
  Files          51       51              
  Lines        2517     2517              
==========================================
+ Hits         1452     1453       +1     
  Misses        947      947              
+ Partials      118      117       -1     

Impacted Files	Coverage Δ
pkg/process/process.go	39.62% <0.00%> (+1.88%)	⬆️

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