support ghc 8.10.4, upgrade to cabal 3.4

.github/workflows/haskell.yml

@@ -32,8 +32,8 @@ jobs:
           --health-retries=3
     strategy:
       matrix:
-        cabal: ["3.2"]
-        ghc: ["8.6.5", "8.8.3", "8.10.1"]
+        cabal: ["3.4"]
+        ghc: ["8.6.5", "8.8.4", "8.10.4"]
     env:
       CONFIG: "--enable-tests --enable-benchmarks "
     steps:

stack-8.10.yaml

@@ -0,0 +1,12 @@
+resolver: lts-17.8
+
+packages:
+  - '.'
+  - 'examples'
+
+extra-deps:
+- persistent-2.12.0.1
+- persistent-template-2.12.0.0
+- persistent-mysql-2.12.0.0
+- persistent-postgresql-2.12.0.0
+- persistent-sqlite-2.12.0.0