Hugo 0.45.1: Two Bug Fixes

This is a bug-fix release with a couple of important fixes (and one enhancement).

Enhancements

• Add Page.FirstSection 016dd4a6 @bep

Fixes

• Fix .Site.GetPage regression 04d4c08d @bep #4989
• Fix “borrow content from another language” issue c6b599a0 @bep #4986