Change exit code for a non-executable `blaze run` target to 1, from 37. It's not an internal error if a user can trigger it via incorrect input.

PiperOrigin-RevId: 343513580

src/main/protobuf/failure_details.proto

diff --git a/src/main/protobuf/failure_details.proto b/src/main/protobuf/failure_details.proto
index afd6cdf..83110b47 100644
--- a/src/main/protobuf/failure_details.proto
+++ b/src/main/protobuf/failure_details.proto
@@ -913,7 +913,7 @@
     NO_TARGET_SPECIFIED = 1 [(metadata) = { exit_code: 2 }];
     TOO_MANY_TARGETS_SPECIFIED = 2 [(metadata) = { exit_code: 2 }];
     TARGET_NOT_EXECUTABLE = 3 [(metadata) = { exit_code: 2 }];
-    TARGET_BUILT_BUT_PATH_NOT_EXECUTABLE = 4 [(metadata) = { exit_code: 37 }];
+    TARGET_BUILT_BUT_PATH_NOT_EXECUTABLE = 4 [(metadata) = { exit_code: 1 }];
     TARGET_BUILT_BUT_PATH_VALIDATION_FAILED = 5
         [(metadata) = { exit_code: 36 }];
     RUN_UNDER_TARGET_NOT_BUILT = 6 [(metadata) = { exit_code: 2 }];