bump cachix/install-nix-action to v18. fix channel to nixos-22.11. fix cache.

Author: jbgi

.github/workflows/check-mainnet-config.yml

@@ -14,15 +14,16 @@ jobs:
     steps:
 
     - name: Install Nix
-      uses: cachix/install-nix-action@v16
+      uses: cachix/install-nix-action@v18
       with:
+        nix_path: nixpkgs=channel:nixos-22.11
         github_access_token: ${{ secrets.GITHUB_TOKEN }}
         extra_nix_config: |
           access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
           experimental-features = nix-command flakes
           allow-import-from-derivation = true
           substituters = https://cache.nixos.org https://hydra.iohk.io
-          trusted-public-keys = iohk.cachix.org-1:DpRUyj7h7V830dp/i6Nti+NEO2/nhblbov/8MW7Rqoo= hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
+          trusted-public-keys = hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
 
     - uses: actions/checkout@v2
 

.github/workflows/check-nix-config.yml

@@ -14,14 +14,16 @@ jobs:
     steps:
 
     - name: Install Nix
-      uses: cachix/install-nix-action@v16
+      uses: cachix/install-nix-action@v18
       with:
+        nix_path: nixpkgs=channel:nixos-22.11
         github_access_token: ${{ secrets.GITHUB_TOKEN }}
         extra_nix_config: |
+          access-tokens = github.com=${{ secrets.GITHUB_TOKEN }}
           experimental-features = nix-command flakes
           allow-import-from-derivation = true
-          substituters = https://cache.nixos.org https://hydra.iohk.io
-          trusted-public-keys = iohk.cachix.org-1:DpRUyj7h7V830dp/i6Nti+NEO2/nhblbov/8MW7Rqoo= hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
+          substituters = https://cache.nixos.org https://cache.iog.io
+          trusted-public-keys = hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ= cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY=
 
     - uses: actions/checkout@v2