Re-added fasta and dependent libraries.

pipes-attoparsec has been added again, so fasta and the rest should be OK to go. `convert-annotation` uses `req` instead of `wreq` now, so that should be good as well.

build-constraints.yaml

@@ -1954,14 +1954,14 @@ packages:
         # - moesocks # https://github.com/nfjinjing/moesocks/issues/1
 
     "Gregory W. Schwartz <gregory.schwartz@drexel.edu> @GregorySchwartz":
-        # - fasta # via pipes-attoparsec
-        # - diversity # via fasta
-        # - modify-fasta # via fasta
+        - fasta
+        - diversity
+        - modify-fasta
         - tree-fun
         - random-tree
         - clumpiness
         # - find-clumpiness # build failure against optparse-applicative https://github.com/GregorySchwartz/find-clumpiness/issues/1
-        # - blosum # via fasta
+        - blosum
         - convert-annotation
 
     "Simon Marechal <bartavelle@gmail.com> @bartavelle":