Add FilterCount task

[github-actions[bot]]

Pull Request Test Coverage Report for Build de80d47c28a42b389821fd0b796caf2a259e4a78-PR-41

• 24 of 24 (100.0%) changed or added relevant lines in 1 file are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage increased (+0.2%) to 89.035%

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Files with Coverage Reduction	New Missed Lines	%
lib/recode/task/test_file_ext.ex	1	88.89%
<!--	Total:	1		-->

Totals
Change from base Build 987cc733e73d71e8543882768a51cf0ee99a2f3c:	0.2%
Covered Lines:	609
Relevant Lines:	684

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💛 - Coveralls