Auto merge of #26799 - servo:dependabot/cargo/ref_slice-1.2.0, r=jdm

build(deps): bump ref_slice from 1.1.1 to 1.2.0

Bumps [ref_slice](https://github.com/steveklabnik/ref_slice) from 1.1.1 to 1.2.0.
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Cargo.lock

@@ -4374,9 +4374,9 @@ checksum = "2b5ceb840e4009da4841ed22a15eb49f64fdd00a2138945c5beacf506b2fb5ed"
 
 [[package]]
 name = "ref_slice"
-version = "1.1.1"
+version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "825740057197b7d43025e7faf6477eaabc03434e153233da02d1f44602f71527"
+checksum = "4e1b7878800220a76a08f32c057829511440f65528b63b940f2f2bc145d7ac68"
 
 [[package]]
 name = "regex"