file_selector_ios 0.5.0+3

iOS implementation of the file_selector plugin.

0.5.0+3

• Updates links for the merge of flutter/plugins into flutter/packages.
• Updates example code for use_build_context_synchronously lint.
• Updates minimum Flutter version to 3.0.

0.5.0+2

• Changes XTypeGroup initialization from final to const.
• Updates minimum Flutter version to 2.10.

0.5.0+1

• Updates README for endorsement.

0.5.0

• Initial iOS implementation of file_selector.