ci: bump install-nix-action to v22 to get upstream macos install fix (

#81)

closes #80.

This PR gets the fix mentioned
[here](cachix/install-nix-action#183 (comment)).
Fixes the CI so that following error is not blocking our macos runners in installing step:

```console
Could not set environment: 150: Operation not permitted while System Integrity Protection is engaged
  Error: Process completed with exit code 150.
```

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2.4.0
-      - uses: cachix/install-nix-action@v20
+      - uses: cachix/install-nix-action@v22
         with:
           nix_path: nixpkgs=channel:nixos-unstable
       - uses: cachix/cachix-action@v12
@@ -33,7 +33,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v2.4.0
-      - uses: cachix/install-nix-action@v20
+      - uses: cachix/install-nix-action@v22
         with:
           nix_path: nixpkgs=channel:nixos-unstable
       - uses: cachix/cachix-action@v12
@@ -50,7 +50,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v2.4.0
-      - uses: cachix/install-nix-action@v20
+      - uses: cachix/install-nix-action@v22
         with:
           nix_path: nixpkgs=channel:nixos-unstable
       - uses: cachix/cachix-action@v12
@@ -63,7 +63,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2.4.0
-      - uses: cachix/install-nix-action@v20
+      - uses: cachix/install-nix-action@v22
         with:
           nix_path: nixpkgs=channel:nixos-unstable
       - uses: cachix/cachix-action@v12

.github/workflows/publish-book.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: cachix/install-nix-action@v20
+      - uses: cachix/install-nix-action@v22
         with:
           nix_path: nixpkgs=channel:nixos-unstable
       - name: build

.github/workflows/refresh-manifests.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: cachix/install-nix-action@v20
+      - uses: cachix/install-nix-action@v22
         with:
           nix_path: nixpkgs=channel:nixos-unstable
       - uses: cachix/cachix-action@v12
@@ -48,7 +48,7 @@ jobs:
           path: manifests/
       - name: stage manifests for nix build
         run: git add -v manifests
-      - uses: cachix/install-nix-action@v20
+      - uses: cachix/install-nix-action@v22
         with:
           nix_path: nixpkgs=channel:nixos-unstable
       - uses: cachix/cachix-action@v12