Re-enable hakyll-convert

0.3.0.4@rev:7 allows text-2.1.

build-constraints.yaml

@@ -6909,7 +6909,6 @@ packages:
         - hadolint < 0 # tried hadolint-2.12.0, but its *library* requires the disabled package: language-docker
         - hadoop-streaming < 0 # tried hadoop-streaming-0.2.0.3, but its *library* requires bytestring >=0.10 && < 0.11 and the snapshot contains bytestring-0.12.0.2
         - hadoop-streaming < 0 # tried hadoop-streaming-0.2.0.3, but its *library* requires text >=1.2.2.0 && < 1.3 and the snapshot contains text-2.1
-        - hakyll-convert < 0 # tried hakyll-convert-0.3.0.4, but its *library* requires text >=1.2 && < 1.3 || >=2.0 && < 2.1 and the snapshot contains text-2.1
         - hakyllbars < 0 # tried hakyllbars-1.0.1.0, but its *library* requires bytestring >=0.11.3 && < 0.12 and the snapshot contains bytestring-0.12.0.2
         - hakyllbars < 0 # tried hakyllbars-1.0.1.0, but its *library* requires text >=2.0.2 && < 2.1 and the snapshot contains text-2.1
         - hapistrano < 0 # tried hapistrano-0.4.8.0, but its *executable* requires optparse-applicative >=0.11 && < 0.17 and the snapshot contains optparse-applicative-0.18.1.0