Ignore ancient commons-net versions

[fthomas]

No description provided.

[codecov]

Codecov Report

Merging #1948 (09e8cb7) into master (adf0041) will decrease coverage by 0.03%.
The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master    #1948      +/-   ##
==========================================
- Coverage   78.40%   78.36%   -0.04%     
==========================================
  Files         129      129              
  Lines        2227     2228       +1     
  Branches       56       50       -6     
==========================================
  Hits         1746     1746              
- Misses        481      482       +1     

Impacted Files	Coverage Δ
...scala/org/scalasteward/core/update/FilterAlg.scala	61.22% <0.00%> (-1.28%)	⬇️

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