submodules: update clippy from af5940b to 6651c1b

Changes:
````
Rename dummy_hir_id -> parent_hir_id
rustup #71116
Change default many single char names threshold
Better precedence case management + more tests
Use only check_expr with parent expr and precedence
Check for Deref trait impl + add fixed version
Report using stmts and expr + tests
Global rework + fix imports
Working basic dereference clip
Add test for zero single char names
Make the single char threshold strict inequality
large_enum_variant: Report sizes of variants
Refactor: Use rustc's `match_def_path`
deps: bump compiletest-rs from 0.4 to 0.5
rustup #70643
Explain panic on `E0463` in integration tests
Temporarily disable rustfmt integration test
result_map_unit_fn: Fix incorrect UI tests
Cleanup: Use rustc's is_proc_macro_attr
Cleanup: Use our `sym!` macro more
Fixes #5405: redundant clone false positive with arrays
Disallow bit-shifting in `integer_arithmetic` lint
update lints
cargo dev fmt
Make use of Option/Result diagnostic items
Make use of some existing diagnostic items
Say that diagnostic items are preferred over paths
verbose_bit_mask: fix bit mask used in docs
Update documentation for new_ret_no_self
Update doc generation script
Add lint on large const arrays
Make the epsilon note spanless
Split check_fn function
Indicate when arrays are compared in error message
Make epsilon note spanless when comparing arrays
Add float cmp const tests for arrays
Add float cmp tests for arrays
Handle constant arrays with single value
Don't show comparison suggestion for arrays
Allow for const arrays of zeros
Handle evaluating constant index expression
Add handling of float arrays to miri_to_const
Update stderr of float_cmp test
Update field names in is_float
Add tests for float in array comparison
Add lint when comparing floats in an array
````

Fixes #71114

Author: matthiaskrgr

Cargo.lock

@@ -464,7 +464,7 @@ dependencies = [
  "cargo_metadata 0.9.1",
  "clippy-mini-macro-test",
  "clippy_lints",
- "compiletest_rs",
+ "compiletest_rs 0.5.0",
  "derive-new",
  "lazy_static 1.4.0",
  "regex",
@@ -615,6 +615,28 @@ dependencies = [
  "winapi 0.3.8",
 ]
 
+[[package]]
+name = "compiletest_rs"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9f737835bfbbe29ed1ff82d5137520338d7ed5bf1a1d4b9c1c7c58bb45b8fa29"
+dependencies = [
+ "diff",
+ "filetime",
+ "getopts",
+ "libc",
+ "log",
+ "miow 0.3.3",
+ "regex",
+ "rustfix 0.5.0",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "tempfile",
+ "tester",
+ "winapi 0.3.8",
+]
+
 [[package]]
 name = "constant_time_eq"
 version = "0.1.3"
@@ -2179,7 +2201,7 @@ dependencies = [
  "byteorder",
  "cargo_metadata 0.9.1",
  "colored",
- "compiletest_rs",
+ "compiletest_rs 0.4.0",
  "directories",
  "env_logger 0.7.1",
  "getrandom",