Unbound wai-extra (closes #7608).

Author: alaendle

build-constraints.yaml

@@ -7792,9 +7792,6 @@ packages:
         - cabal-install < 3.14
         - cabal-install-solver < 3.14
 
-        # https://github.com/commercialhaskell/stackage/issues/7608
-        - wai-extra < 3.1.17
-
         # https://github.com/commercialhaskell/stackage/issues/7610
         - singletons-th < 3.5
 
@@ -8818,7 +8815,6 @@ expected-test-failures:
     - utf8-conversions
     - varying
     - vivid-osc
-    - wai-extra # https://github.com/yesodweb/wai/issues/886
     - wakame
     - world-peace
     - xml-picklers # https://github.com/Philonous/xml-picklers/issues/5