fix(gerrit): tmpdir-related failure

services/gerrit/default.nix

@@ -112,6 +112,7 @@ in
       pyroscope.java "java" {
         targets = discovery.relabel.java.output
         forward_to = [pyroscope.write.production.receiver]
+        tmp_dir = "/run/alloy" // The default "/tmp" can be cleaned up and provoke failure, see #108
         profiling_config {
           interval = "60s"
           alloc = "512k"
@@ -312,6 +313,7 @@ in
         # setting for the Gerrit service to be disabled and reuse the
         # existing 'git' user.
         DynamicUser = lib.mkForce false;
+        RuntimeDirectory = "alloy";
         User = "git";
         Group = "git";
       };