chore: bump github actions and remove old ghc versions

Author: guibou

.github/workflows/ci.yml

@@ -9,8 +9,8 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: cachix/install-nix-action@v21
-      - uses: cachix/cachix-action@v12
+      - uses: cachix/install-nix-action@v31
+      - uses: cachix/cachix-action@v15
         with:
           name: guibou
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'

.github/workflows/master.yml

@@ -8,12 +8,12 @@ jobs:
   nix_matrix:
     strategy:
       matrix:
-        ghc: [90, 92, 94, 96, 98, 910, 912]
+        ghc: [94, 96, 98, 910, 912, 914]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - uses: cachix/install-nix-action@v21
-      - uses: cachix/cachix-action@v12
+      - uses: cachix/install-nix-action@v31
+      - uses: cachix/cachix-action@v15
         with:
           name: guibou
           authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
@@ -23,7 +23,8 @@ jobs:
   stack_build:
     strategy:
       matrix:
-        resolver: [lts-14.27, # 8.6
+        resolver: [
+          lts-14.27, # 8.6
           lts-16.31, # 8.8
           lts-17.1, # 8.10
           lts-19.1, # 9.0

flake.nix

@@ -53,9 +53,6 @@
       rec {
         checks = {
           inherit (packages)
-            pyf_810
-            pyf_90
-            pyf_92
             pyf_94
             pyf_96
             pyf_98
@@ -68,11 +65,8 @@
 
         packages = {
           # GHC 8.6 is tested with stack, I'm stopping the testing with nix.
-          # GHC 8.8 is not in nixpkgs anymore.
+          # GHC 8.6..9.2 are not in nixpkgs anymore.
 
-          pyf_810 = pyfBuilder haskell.packages.ghc810;
-          pyf_90 = pyfBuilder haskell.packages.ghc90;
-          pyf_92 = pyfBuilder haskell.packages.ghc92;
           pyf_94 = pyfBuilder haskell.packages.ghc94;
           pyf_96 = pyfBuilder haskell.packages.ghc96;
           pyf_98 = pkgs.haskell.lib.dontCheck (pyfBuilder haskell.packages.ghc98);