Move staging word from name to suffix for NumFuzz CQ builders

Bug: v8:11826
Change-Id: Id1e236376cda3514554cdad7229094fabee280d6
Cq-Include-Trybots: luci.v8.try:v8_numfuzz_dbg_ng,v8_numfuzz_ng,v8_numfuzz_tsan_ng
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3124803
Auto-Submit: Almothana Athamneh <almuthanna@chromium.org>
Commit-Queue: Michael Achenbach <machenbach@chromium.org>
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Cr-Commit-Position: refs/heads/main@{#76540}

infra/testing/builders.pyl

@@ -2225,8 +2225,8 @@
         'test_args': ['--total-timeout-sec=900', '--stress-deopt=1']
       },
       {
-        'name': 'numfuzz - staging',
-        'suffix': 'deopt',
+        'name': 'numfuzz',
+        'suffix': 'deopt-staging',
         'test_args': ['--infra-staging', '--total-timeout-sec=900', '--stress-deopt=1']
       },
     ],
@@ -2271,8 +2271,8 @@
         ],
       },
       {
-        'name': 'numfuzz - staging',
-        'suffix': 'combined',
+        'name': 'numfuzz',
+        'suffix': 'combined-staging',
         'test_args': [
           '--infra-staging',
           '--total-timeout-sec=900',
@@ -2333,8 +2333,8 @@
         ],
       },
       {
-        'name': 'numfuzz - staging',
-        'suffix': 'combined',
+        'name': 'numfuzz',
+        'suffix': 'combined-staging',
         'test_args': [
           '--infra-staging',
           '--total-timeout-sec=900',