Whay can I not get bold?

[github-actions]

https://api.github.com/ChrisChinchilla/chrischinchilla.com/blob/5aed98c2f28cf56c8e57f5ef20a5171d84de2fb8/tailwind.config.cjs#L27

  theme: {
    extend: {
      colors: {
        // TODO: Refactor at some point?
        primary: colors.blue,
        secondary: colors.pink,
        brandBlue: '#9db0c2',
        brandYellow: '#eaba5d',
        brandGrey:'#4b555c'
      },
      // TODO: Parameter
        dropShadow: {
          lg: '0 10px 8px #9db0c2',
        },
      fontFamily: {
        // TODO: Shame it has to be this way…
        sans: ["Bitter", ...defaultTheme.fontFamily.sans],
        serif: ["Bitter", ...defaultTheme.fontFamily.sans],
        // serif: 
        btn: ["Albert Sans"],
        // TODO: Can I do it this way?
        // TODO: Whay can I not get bold?
        heading: ["Albert Sans Semibold"],
        subheading: ["Albert Sans Semibold"],
      },
    },
  },