fix(move-on-aptos): bug fixes and upstream updates

[ArArgon]

Changes

• Fix parsing rules for typed metavariables;
  • Typed metavariables and type hinting have the same grammar: '(', $._expr, ')' vs '(', $.identifier, ':', $.type, ')', the workaround is implemented in the CST to AST converter.
• Fix type argument ambiguities
• Reformat testcases in semgrep.txt
• Support matching let expression
• Update upstream tree-sitter parser

Please remember to execute lang/release move-on-aptos to sync the semgrep-move-on-aptos repo.

Security

• [ ] Change has no security implications (otherwise, ping the security team)

[ArArgon]

well done! you've done this in a very canonical way

Could you help merging it?

[aryx]

I've run the release script and updated the semgrep-move-on-aptos repo.