Update NIST inlined license text

Signed-off-by: Alex Nelson <[email protected]>

.github/workflows/ci.yml

@@ -1,11 +1,14 @@
+# Portions of this file contributed by NIST are governed by the following
+# statement:
+#
 # This software was developed at the National Institute of Standards
 # and Technology by employees of the Federal Government in the course
-# of their official duties. Pursuant to title 17 Section 105 of the
-# United States Code this software is not subject to copyright
-# protection and is in the public domain. NIST assumes no
-# responsibility whatsoever for its use by other parties, and makes
-# no guarantees, expressed or implied, about its quality,
-# reliability, or any other characteristic.
+# of their official duties. Pursuant to Title 17 Section 105 of the
+# United States Code, this software is not subject to copyright
+# protection within the United States. NIST assumes no responsibility
+# whatsoever for its use by other parties, and makes no guarantees,
+# expressed or implied, about its quality, reliability, or any other
+# characteristic.
 #
 # We would appreciate acknowledgement if the software is used.