Adjust format to not tickle change in R-devel (closes #1347)

ChangeLog

@@ -3,6 +3,9 @@
 	* DESCRIPTION (Version, Date): Roll micro version to 1.0.13.6
 	* inst/include/Rcpp/config.h (RCPP_DEV_VERSION): Idem
 
+	* inst/tinytest/test_date.R: Minor adjustment to datetime format test
+	following R Dev Day change for R bug 17350 (and issue #1347 here)
+
 2024-11-25  Simon Guest  <[email protected]>
 
 	* src/attributes.cpp: fix CPP source having to be writable

inst/tinytest/test_date.R

@@ -194,7 +194,7 @@ expect_equal(Datetime_format(d,"%Y-%m-%d %H:%M:%S"),
              format(d, "%Y-%m-%d %H:%M:%OS"),
              info="Datetime.formating.default")
 expect_equal(Datetime_format(d, "%Y/%m/%d %H:%M:%S"),
-             format(d, "%Y/%m/%d %H:%M:%OS"),
+             format(d, "%Y/%m/%d %H:%M:%OS6"),
              info="Datetime.formating.given.format")
 expect_equal(Datetime_ostream(d),
              format(d, "%Y-%m-%d %H:%M:%OS"),