Merge pull request #19 from Chausseaumoine/nightly-docs-fix

fix(ci): use nightly toolchain for cargo doc in GitHub Pages workflow

Author: Chausseaumoine

.github/workflows/docs.yml

@@ -35,7 +35,7 @@ jobs:
         with:
           toolchain: nightly
       - name: cargo +nightly doc
-        run: RUSTDOCFLAGS="-Z unstable-options --enable-index-page" cargo doc --all-features
+        run: RUSTDOCFLAGS="-Z unstable-options --enable-index-page" cargo +nightly doc --all-features
       - name: page configuration
         uses: actions/configure-pages@v3
       - name: Upload artifact