Changed lint job to use nix develop

Since the pre-commit hooks are managed by devenv, the
`.pre-commit-config.yaml` file isn't part of the repo anymore (it's
generated by devenv).

.github/workflows/build.yml

@@ -5,21 +5,19 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
+      - uses: cachix/install-nix-action@v22
+      - uses: cachix/cachix-action@v12
         with:
-          fetch-depth: 0
-
-      - uses: cachix/install-nix-action@v25
-
-      - run: echo "PY=$(python -VV | sha256sum | cut -d' ' -f1)" >> $GITHUB_ENV
-
-      - name: Cache pre-commit environment
-        uses: actions/cache@v3
+          name: devenv
+      - uses: cachix/cachix-action@v12
         with:
-          path: ~/.cache/pre-commit
-          key: pre-commit-${{ env.PY }}-${{ hashFiles('.pre-commit-config.yaml') }}
-
+          name: alejandr0angul0-dev
+          authToken: "${{ secrets.CACHIX_AUTH_TOKEN }}"
       - name: Run pre-commit hooks
-        run: nix develop --command -- pre-commit run --show-diff-on-failure --color=always --from-ref origin/main --to-ref "$GITHUB_SHA"
+        run: |
+          git fetch origin
+          nix develop --accept-flake-config --impure --command bash -c \
+            "pre-commit run --from-ref origin/main --to-ref $GITHUB_SHA"
 
   build:
     needs: pre-commit-hooks