submodules: update clippy from 164310d to 49ff0d9

Changes:
````
Fix breakage due to rust-lang#60913
Fix breakage due to rust-lang#62705
rustup rust-lang#62679
Update pulldown-cmark to 0.5.3
rustup rust-lang#62764
Format code
Decrease maximum length for stderr files
Improved imports
Fix "unkown clippy lint" error in UI test.
Corrections for PR review.
Implement lint for inherent to_string() method.
UI Test Cleanup: Extract match_ref_pats tests
Update UI tests
Allow no_effect lint
Remove comment
cargo fmt
UI Test Cleanup: Split up checked_unwrap tests
Removed lintining on never type.
UI Test Cleanup: Split out out_of_bounds_indexing
false positives fixes of `implicit_return`
````

Author: matthiaskrgr