Ensure interrupt::take works without embassy-executor

Add "rtos-trace-interrupt" feature flag on embassy-macros and enable it
for embassy-executor, to ensure that the interrupt::take! macro can be
used without depending on embassy-executor.

embassy-macros/Cargo.toml

@@ -15,3 +15,6 @@ proc-macro = true
 [features]
 std = []
 wasm = []
+
+# Enabling this cause interrupt::take! to require embassy-executor
+rtos-trace-interrupt = []