Changes of version 11.2.0

• Slightly reduce X-height by 0.01em foe better geometric balancing.
• Make low-crossbar variants of f more distinctive with crossbar-at-x-height (#1254).
• Add Fira Code V6's progress bar symbols.
• Add BLACK FOUR POINTED STAR (U+2726) and WHITE FOUR POINTED STAR (U+2727).
• Add MATHEMATICAL LEFT FLATTENED PARENTHESIS (U+27EE) and MATHEMATICAL RIGHT FLATTENED PARENTHESIS (U+27EF).
• Add Hookless variants for r (#1255).