Env variables for CI

Signed-off-by: Sreekanth <prsreekanth920@gmail.com>

Author: BulkBeing

.github/workflows/pynumaflow-lite.yml

@@ -15,6 +15,11 @@ on:
 permissions:
   contents: read
 
+env:
+  RUSTFLAGS: -C debuginfo=0
+  RUST_BACKTRACE: 1
+  PYTHONUTF8: 1
+
 jobs:
   lint:
     name: Format and lint