More link-checker exclusions (acm, dblp)

Author: yallop

.lycheeignore

@@ -1,11 +1,12 @@
-https://dl.acm.org/doi/pdf/.*
+https://dl.acm.org/doi/.*
 https://www.cs.drexel.edu/.*
 https://www.cs.uoregon.edu/research/summerschool/.*
 https://www.macs.hw.ac.uk/splv/.*
 https://doi.org/10.1007/.*
 https://doi.org/10.1017/.*
 https://doi.org/10.1145/.*
 https://dblp.uni-trier.de/rec/.*
+https://dblp.org/.*
 https://ecommons.cornell.edu/handle/.*
 https://fstar-lang.org/
 https://era.ed.ac.uk/.*