chore: fix comments

Author: twoeths

packages/beacon-node/src/network/gossip/encoding.ts

@@ -104,7 +104,7 @@ export class DataTransformSnappy implements DataTransform {
     }
 
     // Only after sanity length checks, we can decompress the data
-    // using Buffer.allocUnsafe() caused huge MarkSweepCompact gc on the main thread of sas nodes
+    // Using Buffer.alloc() instead of Buffer.allocUnsafe() to mitigate high GC pressure observed in some environments
     const uncompressedData = Buffer.alloc(uncompressedDataLength);
     decoder.decompress_into(data, uncompressedData);
     return uncompressedData;
@@ -121,7 +121,7 @@ export class DataTransformSnappy implements DataTransform {
       throw Error(`ssz_snappy encoded data length ${data.length} > ${this.maxSizePerMessage}`);
     }
 
-    // using Buffer.allocUnsafe() caused huge MarkSweepCompact gc on the main thread of sas nodes
+    // Using Buffer.alloc() instead of Buffer.allocUnsafe() to mitigate high GC pressure observed in some environments
     const compressedData = Buffer.alloc(snappyWasm.max_compress_len(data.length));
     const compressedLen = encoder.compress_into(data, compressedData);
     return compressedData.subarray(0, compressedLen);