Add news for warning fix and conda.txt

Author: bobleesj

Diff for: news/build-warning.rst

@@ -0,0 +1,24 @@
+**Added:**
+
+* <news item>
+
+**Changed:**
+
+* <news item>
+
+**Deprecated:**
+
+* <news item>
+
+**Removed:**
+
+* <news item>
+
+**Fixed:**
+
+* Fix absent from setuptools' `packages` configuration warnings during build
+* use conda.txt instead of run.txt for conda package dependencies
+
+**Security:**
+
+* <news item>