chore: update MSRV dependency for nightly docs

.github/workflows/nightly_docs.yml

@@ -17,6 +17,8 @@ jobs:
         run: rustup update
       - name: Rust Cache
         uses: Swatinem/rust-cache@v2.2.1
+      - name: Pin dependencies for MSRV
+        run: cargo update -p home --precise "0.5.5"
       - name: Build docs
         run: cargo doc --no-deps
         env: