chore: speed up cache only reclient for fork PRs (#43503)

Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: John Kleinschmidt <jkleinsc@electronjs.org>

appveyor-woa.yml

@@ -115,6 +115,13 @@ for:
           $env:RBE_experimental_credentials_helper = $env:RECLIENT_HELPER
       - ps: >-
           $env:RBE_experimental_credentials_helper_args = "print"
+      - ps: >-
+          if ($env:ELECTRON_RBE_JWT -eq '') {
+            $env:RBE_fail_early_min_action_count = "0"
+            $env:RBE_fail_early_min_fallback_ratio = "0"
+            $env:RBE_exec_strategy = "local"
+            $env:RBE_remote_update_cache= "false"
+          }
       - cd ..\..
       - ps: $env:CHROMIUM_BUILDTOOLS_PATH="$pwd\src\buildtools"
       - ps: >-

appveyor.yml

@@ -113,6 +113,13 @@ for:
           $env:RBE_experimental_credentials_helper = $env:RECLIENT_HELPER
       - ps: >-
           $env:RBE_experimental_credentials_helper_args = "print"
+      - ps: >-
+          if ($env:ELECTRON_RBE_JWT -eq '') {
+            $env:RBE_fail_early_min_action_count = "0"
+            $env:RBE_fail_early_min_fallback_ratio = "0"
+            $env:RBE_exec_strategy = "local"
+            $env:RBE_remote_update_cache= "false"
+          }
       - cd ..\..
       - ps: $env:CHROMIUM_BUILDTOOLS_PATH="$pwd\src\buildtools"
       - ps: >-