fix(deps): update module github.com/rickar/cal/v2 to v2.1.8

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
github.com/rickar/cal/v2	require	patch	v2.1.7 -> v2.1.8

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Release Notes

rickar/cal

v2.1.8

Compare Source

Update holiday names for Brazil
Fix calc for Friday Before AFL Final in Australia
Add Russian holidays
Fix New Year calculation when observed date crosses years (fixes 2022/2023 US New Year)

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[codecov-commenter]

Codecov Report

Base: 78.86% // Head: 77.98% // Decreases project coverage by -0.87% ⚠️

Coverage data is based on head (a940a05) compared to base (31d0af4).
Patch has no changes to coverable lines.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #260      +/-   ##
==========================================
- Coverage   78.86%   77.98%   -0.88%     
==========================================
  Files          29       30       +1     
  Lines         984      995      +11     
==========================================
  Hits          776      776              
- Misses        157      168      +11     
  Partials       51       51              

Impacted Files	Coverage Δ
database/sqlite_nocgo.go	0.00% <0.00%> (ø)

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