set TZ to UTC for Orfeo cdash

.ci/config.ctest

@@ -52,8 +52,8 @@ ctest_start(Experimental)
 ctest_build (BUILD "${CTEST_BINARY_DIRECTORY}" RETURN_VALUE BUILDRES NUMBER_WARNINGS NUMWARN NUMBER_ERRORS NUMERR)
 
 # Create link to test results
-# CDash on OTB requires the date to be set for the search to work and that's the timezone this requires
-SET(ENV{TZ} "UTC-6")
+# CDash on OTB requires the date to be set for the search to work (used to be UTC-6, seems to be UTC now)
+SET(ENV{TZ} "UTC")
 EXECUTE_PROCESS(COMMAND date +%Y-%m-%d OUTPUT_VARIABLE CDASH_DATE)
 SET(RESULT_LINK "http://cdash.orfeo-toolbox.org/index.php?project=QGIS&filtercount=1&showfilters=1&field1=buildname/string&compare1=63&value1=$ENV{CTEST_BUILD_NAME}&date=${CDASH_DATE}")
 EXECUTE_PROCESS(COMMAND curl --data-urlencode "url=${RESULT_LINK}" -s http://tinyurl.com/api-create.php