Increase timeout threshold for fuzzer CI run (#955)

* Reduce maximum size for polygonToCellsExperimental fuzzers

* Revert "Reduce maximum size for polygonToCellsExperimental fuzzers"

This reverts commit f996707.

* increase fuzzer timeout

.github/workflows/test-fuzzer.yml

@@ -69,5 +69,5 @@ jobs:
           cd build
           for fuzzer in bin/fuzzer*; do
             echo $fuzzer
-            $fuzzer -runs=100000 -max_total_time=60 -timeout=120
+            $fuzzer -runs=100000 -max_total_time=60 -timeout=300
           done