[GR-37962] Update graal and re-enable Regexp test with the fix merged in TRegex

Author: eregon

mx.truffleruby/suite.py

@@ -7,7 +7,7 @@
             {
                 "name": "regex",
                 "subdir": True,
-                "version": "7c72b85bc0d85bff0ff1f29fc4edc3c27a360ab3",
+                "version": "fbb7fadb65f4e3c17123da4f076c796e085e04e1",
                 "urls": [
                     {"url": "https://github.com/oracle/graal.git", "kind": "git"},
                     {"url": "https://curio.ssw.jku.at/nexus/content/repositories/snapshots", "kind": "binary"},
@@ -16,7 +16,7 @@
             {
                 "name": "sulong",
                 "subdir": True,
-                "version": "7c72b85bc0d85bff0ff1f29fc4edc3c27a360ab3",
+                "version": "fbb7fadb65f4e3c17123da4f076c796e085e04e1",
                 "urls": [
                     {"url": "https://github.com/oracle/graal.git", "kind": "git"},
                     {"url": "https://curio.ssw.jku.at/nexus/content/repositories/snapshots", "kind": "binary"},

test/mri/excludes/TestRegexp.rb

@@ -36,4 +36,3 @@
 exclude :test_posix_bracket, "needs investigation"
 exclude :test_rindex_regexp, "needs investigation"
 exclude :test_yoshidam_net_20041111_1, "needs investigation"
-exclude :test_exec, "GR-37962"