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>

Cargo.toml

@@ -116,6 +116,7 @@ style = "deny"
 suspicious = "deny"
 
 # Individual Lints
+absolute_paths = "deny"
 assertions_on_result_states = "deny"
 if_not_else = "deny"
 manual_string_new = "deny"