Merge pull request #80279 from edef1c/ocitools-exec

doc/ociTools: exec is a shell builtin, not an external command

doc/builders/images/ocitools.xml

@@ -25,7 +25,7 @@
 buildContainer {
   args = [ (with pkgs; writeScript "run.sh" ''
     #!${bash}/bin/bash
-    ${coreutils}/bin/exec ${bash}/bin/bash
+    exec ${bash}/bin/bash
   '').outPath ]; <co xml:id='ex-ociTools-buildContainer-1' />
 
   mounts = {