Bump CI for GHC 9.6.5 and other matters

.github/workflows/tests.yml

@@ -7,8 +7,8 @@ on:
     - master
   workflow_dispatch:
 
-# As of 23 March 2024, ubuntu-latest, windows-latest and macos-latest come
-# with Stack 2.13.3. However, macos-14 does not come with Haskell tools.
+# As of 6 May 2024, ubuntu-latest and windows-latest come with Stack 2.15.5.
+# However, macos-13 and macos-latest do not come with Haskell tools.
 
 jobs:
   build:
@@ -21,13 +21,13 @@ jobs:
         - ubuntu-latest
         snapshot:
         - stack-ghc-9.4.8.yaml
-        - stack-ghc-9.6.4.yaml
+        - stack-ghc-9.6.5.yaml
         - stack-ghc-9.8.2.yaml
         include:
-        - os: macos-latest
+        - os: macos-13
           snapshot: stack-ghc-9.8.2.yaml
-        # macos-14 provides macOS/AArch64 (M1)
-        - os: macos-14
+        # macos-latest provides macOS/AArch64 (M1)
+        - os: macos-latest
           snapshot: stack-ghc-9.8.2.yaml
         - os: windows-latest
           snapshot: stack-ghc-9.8.2.yaml
@@ -53,9 +53,9 @@ jobs:
       run: |
         set -ex
 
-        if [[ "${{ matrix.os }}" == "macos-14" ]]
+        if [[ "${{ matrix.os }}" == "macos-13" || "${{ matrix.os }}" == "macos-latest" ]]
         then
-          # macos-14 does not include Haskell tools as at 2024-03-23.
+          # macos-13 and macos-latest do not include Haskell tools as at 2024-05-06.
           curl -sSL https://get.haskellstack.org/ | sh
         fi
 

stack-ghc-9.2.8.yaml

@@ -30,5 +30,3 @@ packages:
 flags:
   ansi-terminal:
     win32-2-13-1: false
-  mintty:
-    win32-2-13-1: false

stack-ghc-9.4.8.yaml

@@ -20,11 +20,3 @@ packages:
 - tar-conduit-0.4.1@sha256:112d28118eb71901ea9e224e1b174c648b378256729669c2739b8b803d25b43a,3126
 # crypton-connection-0.3.1 requires tls >= 1.7. lts-21.25 provides tls-1.6.0
 - tls-1.8.0@sha256:0ea435fb1969384c76e6b6ba49c509cec55eec29f60dd2c335151d9c8a4e8b4f,5571
-
-flags:
-  ansi-terminal:
-    win32-2-13-1: false
-  hackage-security:
-    cabal-syntax: true
-  mintty:
-    win32-2-13-1: false

stack-ghc-9.6.5.yaml

@@ -0,0 +1,2 @@
+# Snapshot specification for GHC 9.6.5.
+snapshot: lts-22.21 # GHC 9.6.5

stack-ghc-9.8.2.yaml

@@ -1,6 +1,2 @@
 # Snapshot specification for GHC 9.8.2.
-snapshot: nightly-2024-03-20 # GHC 9.8.2
-
-flags:
-  hackage-security:
-    cabal-syntax: true
+snapshot: nightly-2024-05-06 # GHC 9.8.2

stack.yaml

@@ -1 +1 @@
-snapshot: stack-ghc-9.6.4.yaml
+snapshot: stack-ghc-9.6.5.yaml