upgrade devbox cli test to use version 0.9.1 (#37)

upgrade devbox cli test to use version 0.9.1, which addresses a nix
output change in version 2.20. Corresponding Devbox PR
jetify-com/devbox#1770

Author: LucilleH

.github/workflows/test.yaml

@@ -38,7 +38,7 @@ jobs:
       - name: Install devbox
         uses: ./
         with:
-          devbox-version: 0.5.13
+          devbox-version: 0.9.1
           project-path: 'testdata'
           disable-nix-access-token: "${{ github.ref != 'refs/heads/main' }}"
 
@@ -60,10 +60,10 @@ jobs:
       - name: Install devbox
         uses: ./
         with:
-          devbox-version: 0.5.13
+          devbox-version: 0.9.1
           refresh-cli: true
           project-path: 'testdata'
-          sha256-checksum: '481cc5d270a22843d7f7c34eac6cea4bbe9f2cdfbc72f0217ea3823ebabecc43'
+          sha256-checksum: 'f58202279237b9e0e7d69ef9334c7ca0628db31e5575f105dad6f41a171ebb6a'
           disable-nix-access-token: "${{ github.ref != 'refs/heads/main' }}"
 
   test-action-with-sha256-checksum-failure:
@@ -75,7 +75,7 @@ jobs:
         uses: ./
         continue-on-error: true
         with:
-          devbox-version: 0.5.13
+          devbox-version: 0.9.1
           refresh-cli: true
           sha256-checksum: 'bad-sha'
           project-path: 'testdata'
@@ -91,9 +91,9 @@ jobs:
       - name: Install devbox
         uses: ./
         with:
-          devbox-version: 0.5.13
+          devbox-version: 0.9.1
           enable-cache: true
           refresh-cli: true
-          sha256-checksum: 'f5907e5782f6e1f5a7ca32c8ae2a0a81618549314bab237174a46fb216f43809'
+          sha256-checksum: '3cf9bdffbdcc73f49f99f90df7092379589ef2e90f994cfc0163d2ff07a1f189'
           project-path: 'testdata'
           disable-nix-access-token: "${{ github.ref != 'refs/heads/main' }}"

README.md

@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Install devbox
-        uses: jetpack-io/devbox-install-action@v0.7.0
+        uses: jetpack-io/devbox-install-action@v0.8.0
 
       - name: Run arbitrary commands
         run: devbox run -- echo "done!"
@@ -52,7 +52,7 @@ Here's an example job with all inputs:
     project-path: 'path-to-folder'
     enable-cache: 'true'
     refresh-cli: 'false'
-    devbox-version: 0.5.13
+    devbox-version: 0.9.1
     disable-nix-access-token: 'false'
     sha256-sum: f5907e5782f6e1f5a7ca32c8ae2a0a81618549314bab237174a46fb216f43809
 ```

testdata/devbox.json

@@ -3,6 +3,6 @@
     "go@latest"
   ],
   "shell": {
-    "init_hook": null
+    "init_hook": []
   }
 }