Performance graph updates for 2.3 (#26393)

This would be similar to performance graph updates in previous releases
like: #24647 and
#25371.

Author: tzinsky

util/pastPerformance/testReleasesPerformance

@@ -211,6 +211,9 @@ export CHPL_TEST_PERF_DATE="09/26/24"
 export CHPL_HOME=$chpl_release_home/chapel-2.2.0
 testReleasePerformance
 
+export CHPL_TEST_PERF_DATE="12/12/24"
+export CHPL_HOME=$chpl_release_home/chapel-2.3.0
+testReleasePerformance
 #
 # ADD NEW RELEASES HERE AS THEY ARE CREATED.
 #

util/test/perf/perfgraph.js

@@ -174,7 +174,11 @@ var branchInfo = [
                   { "release": "2.2.0",
                     "releaseDate": "2024-09-26",
                     "branchDate" : "2024-09-20",
-                    "revision": -1}, 
+                    "revision": -1},
+                  { "release": "2.3.0",
+                    "releaseDate": "2024-12-12",
+                    "branchDate" : "2024-12-06",
+                    "revision": -1},
                   ];
 
 var indexMap = {};