[Backport release-26.05] pgschema: build in sandbox (#563904)

pkgs/by-name/pg/pgschema/package.nix

@@ -1,4 +1,5 @@
 {
+  stdenv,
   lib,
   buildGoModule,
   fetchFromGitHub,
@@ -33,11 +34,15 @@ buildGoModule (finalAttrs: {
     "github.com/pgplex/pgschema/internal/postgres.binariesPath=${postgresql}"
   ];
 
+  # Tests fail in sandbox on darwin, with:
+  # Could not create shared memory segment: Cannot allocate memory
+  # Failed system call was shmget(key=18446744072262306125, size=56, 03600)
+  doCheck = !stdenv.hostPlatform.isDarwin;
+
   doInstallCheck = true;
   nativeInstallCheckInputs = [
     versionCheckHook
   ];
-  versionCheckProgramArg = "--help"; # there is no -v/--version
 
   passthru.updateScript = nix-update-script { };