Release v0.71.1

• [Fix] Add missing .npmignore files (e8bb8fb)
• [Fix] Rewrite DeltaBundler garbage collection (#820)
• [Fix] Remove deprecated Prop Types from lazy imports (#824 by @ecreeth)

NOTE: Experimental features are not covered by semver and can change at any time.

• [Experimental] Expose unstable_fileMapCacheManagerFactory config option (e741990)
• [Experimental] Add unstable_perfLogger config option (eec0d7b)
• [Experimental] Remove unstable_hasteMapModulePath from Metro config (1cae8d8)

Full Changelog: v0.71.0...v0.71.1