ci(engage): use all-features direnv devshell for clippy/all

Signed-off-by: strawberry <strawberry@puppygock.gay>

engage.toml

@@ -93,6 +93,8 @@ cargo clippy \
 name = "clippy/all"
 group = "lints"
 script = """
+env DIRENV_DEVSHELL=all-features \
+    direnv exec . \
     cargo clippy \
         --workspace \
         --all-targets \