Log Message:
devel/ast-grep: update to 0.31.0

    feat: only scan rule senstive files #1635
    feat: better error handling for dynamic lib loading #1631
    Breaking change: feat: support character based column number #1594
    Breaking change: refactor: expose new struct Position for abstracting column \ 
b87dad7
    refactor: Use the utf-corrected row and column methods for the range matcher \ 
2b30f56
    feat: Add support for range matcher 4fb2c52