fix cachis auth token thing, no need for github token for install nix action

Author: macalinao

.github/actions/yarn/action.yml

@@ -10,15 +10,12 @@ runs:
   using: composite
   steps:
     # Install Cachix
-    - uses: cachix/install-nix-action@v17
     - uses: cachix/install-nix-action@v30
-      with:
-        github_access_token: ${{ secrets.GITHUB_TOKEN }}
     - name: Setup Cachix
       uses: cachix/cachix-action@v15
       with:
         name: igm
-        authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
+        authToken: ${{ inputs.cachix-auth-token }}
     # Install Node
     - name: Get yarn cache directory path
       id: yarn-cache-dir-path

.github/workflows/nix.yml

@@ -20,8 +20,6 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: cachix/install-nix-action@v30
-        with:
-          github_access_token: ${{ secrets.GITHUB_TOKEN }}
       - name: Setup Cachix
         uses: cachix/cachix-action@v15
         with: