1.30.2

• Make org headlines bold when gruvbox-bold-constructs is t
• Support highlighting of diff-refine changes
• Fix background color for diredfl-dir-priv and diredfl-exec-priv
• Use secure urls everywhere
• Update URL for Rainbow Delimiters project
• Variable to allow for bold constructs, added support for Elpaca
• Update font-lock-property-face to use a blue