fix: increase per-test timeout for nightly debug build

Author: AztecBot

bootstrap.sh

@@ -837,6 +837,8 @@ case "$cmd" in
     export NATIVE_PRESET=debug
     export AVM=0
     export AVM_TRANSPILER=0
+    # Debug tests are much slower than release — increase per-test timeout from 600s to 1800s.
+    export TIMEOUT=1800s
     barretenberg/cpp/bootstrap.sh ci
     ;;
   "ci-barretenberg")