Don't automerge packages whose names end with jl (#555) #1106

Job	Run time
Documentation	2m 19s
Doctests	1m 46s
Unit/Julia 1.3/ubuntu-latest/x64	6m 57s
Unit/Julia 1.4/ubuntu-latest/x64	8m 19s
Unit/Julia 1.5/ubuntu-latest/x64	5m 47s
Unit/Julia 1.6/ubuntu-latest/x64	4m 57s
Unit/Julia 1.7/ubuntu-latest/x64	5m 24s
Unit/Julia 1.8/ubuntu-latest/x64	5m 22s
Unit/Julia 1/ubuntu-latest/x64	4m 41s
Unit/Julia nightly/ubuntu-latest/x64	7m 3s
	52m 35s

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