Add paths-ignore to CI scripts

[jishnub]

No description provided.

[codecov]

Codecov Report

Patch coverage: 100.00% and no project coverage change.

Comparison is base (20aada1) 89.44% compared to head (5de0bb3) 89.45%.
Report is 4 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #399   +/-   ##
=======================================
  Coverage   89.44%   89.45%           
=======================================
  Files          25       25           
  Lines        3516     3508    -8     
=======================================
- Hits         3145     3138    -7     
+ Misses        371      370    -1     

Files Changed	Coverage Δ
src/BandedMatrices.jl	100.00% <ø> (ø)
src/generic/matmul.jl	80.85% <100.00%> (-0.36%)	⬇️

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