build: Deny clippy::absolute_paths

Removal of absolute paths is currently in progress. To avoid regressing
those changes add a clippy deny at the workspace level and at the crate
level override with #[expect(clippy::absolute_paths)]

See: #7670

Signed-off-by: Rob Bradford <rbradford@meta.com>

block/src/formats/vhdx/internal/mod.rs

@@ -256,6 +256,8 @@ pub(crate) fn uuid_from_guid(buf: &[u8]) -> Uuid {
 }
 
 #[cfg(test)]
+// TODO: Trim qualified paths in these tests, then drop this expectation.
+#[expect(clippy::absolute_paths)]
 mod tests {
     use std::process::Command;