Release randomx dataset+cache when mining is interrupted or errors

src/miner.cpp

@@ -1424,12 +1424,24 @@ void static RandomXMiner()
    } catch (const boost::thread_interrupted&) {
        miningTimer.stop();
        c.disconnect();
+
+       randomx_release_dataset(randomxDataset);
+       rxdebug("%s: released dataset\n");
+       randomx_release_cache(randomxCache);
+       rxdebug("%s: released cache\n");
+
        LogPrintf("HushRandomXMiner terminated\n");
        throw;
    } catch (const std::runtime_error &e) {
        miningTimer.stop();
        c.disconnect();
        fprintf(stderr,"RandomXMiner: runtime error: %s\n", e.what());
+
+       randomx_release_dataset(randomxDataset);
+       rxdebug("%s: released dataset\n");
+       randomx_release_cache(randomxCache);
+       rxdebug("%s: released cache\n");
+
        return;
    }