[bazel] Adds js_protocol.pdl as dep to generated_inspector_files

No-Try: true
Bug: v8:11234
Change-Id: Icb1f40c18334f22c5d3afbf028eac79ab22610a2
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3006635
Auto-Submit: Victor Gomes <victorgomes@chromium.org>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#75567}

BUILD.bazel

@@ -2697,6 +2697,7 @@ v8_torque(
 
 genrule(
     name = "generated_inspector_files",
+    srcs = [ "include/js_protocol.pdl" ],
     outs = [
         "include/inspector/Debugger.h",
         "include/inspector/Runtime.h",