Use more inclusive language in ./test/inspector/debugger/.

Bug: chromium:1097184
Change-Id: Ifa64885cb74ffe05ef56aca59150c89d8f11dd1d
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2945276
Auto-Submit: Dylan Cutler <dylancutler@google.com>
Reviewed-by: Sigurd Schneider <sigurds@chromium.org>
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75067}

test/inspector/inspector.status

@@ -170,7 +170,7 @@
   'cpu-profiler/coverage-block': [SKIP],
   'debugger/get-possible-breakpoints': [SKIP],
   'debugger/get-possible-breakpoints-array-literal': [SKIP],
-  'debugger/get-possible-breakpoints-master': [SKIP],
+  'debugger/get-possible-breakpoints-main': [SKIP],
   'debugger/limit-size-of-collected-scripts': [SKIP],
   'debugger/not-hold-promises': [SKIP],
   'debugger/regression-424142': [SKIP],
@@ -304,7 +304,7 @@
   'debugger/get-possible-breakpoints-array-literal': [SKIP],
   'debugger/get-possible-breakpoints-class-fields': [SKIP],
   'debugger/get-possible-breakpoints-lazy-error': [SKIP],
-  'debugger/get-possible-breakpoints-master': [SKIP],
+  'debugger/get-possible-breakpoints-main': [SKIP],
   'debugger/get-possible-breakpoints-restrict-to-function': [SKIP],
   'debugger/get-properties-paused': [SKIP],
   'debugger/inspector-break-api': [SKIP],