ci(fuzz): Ensure 8GiB is available during

recursive-fuzz-cmin.sh

@@ -7,7 +7,8 @@ while true; do
   cp -r "fuzz/corpus/fuzz_$1_iter_${i}" "fuzz/corpus/fuzz_$1_iter_${i}.bak"
   mkdir "fuzz/corpus/fuzz_$1_iter_${j}"
   cargo fuzz cmin --all-features "fuzz_$1" "fuzz/corpus/fuzz_$1_iter_${i}" -- \
-    -dict=fuzz/fuzz.dict -max_len="$2" "fuzz/corpus/fuzz_$1_iter_${j}"
+    -dict=fuzz/fuzz.dict -max_len="$2" "fuzz/corpus/fuzz_$1_iter_${j}" \
+    -rss_limit_mb=8192
   if diff "fuzz/corpus/fuzz_$1_iter_${i}.bak" "fuzz/corpus/fuzz_$1_iter_${j}"; then
     # Last iteration made no difference, so we're done
     rm -r "fuzz/corpus/fuzz_$1"
@@ -16,4 +17,4 @@ while true; do
     exit 0
   fi
   i=$j
-done
+done