chore: translate Chinese comments into English (#2503)

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## What does this PR do?

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chore: translate Chinese comments into English
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- [ ] Does this PR introduce any binary protocol compatibility change?

## Benchmark

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Author: Asnowww

java/benchmark/src/main/proto/bench.proto

@@ -37,7 +37,7 @@ message Bar {
   optional int64 f6 = 6;
   optional float f7 = 7;
   optional double f8 = 8;
-  repeated int32 f9 = 9; // proto不支持int16
+  repeated int32 f9 = 9; // proto does not support int16
   repeated int64 f10 = 10;
 }
 

java/fory-core/src/main/java/org/apache/fory/codegen/Expression.java

@@ -2432,8 +2432,7 @@ public ExprCode doGenCode(CodegenContext ctx) {
           action.apply(
               new Reference(i),
               new Reference(leftElemValue, leftElemType, true),
-              // elemValue nullability check uses isNullAt inside action, so elemValueRef's nullable is
-              // false.
+              // elemValue nullability check uses isNullAt inside action, so elemValueRef's nullable is false.
               new Reference(rightElemValue, rightElemType, false));
       ExprCode elementExprCode = elemExpr.genCode(ctx);
 

javascript/packages/fory/lib/meta/MetaString.ts

@@ -201,7 +201,7 @@ export class MetaStringDecoder {
 
   capitalize(str: string) {
     if (typeof str !== "string" || str.length === 0) {
-      return str; // 如果不是字符串或为空，直接返回原值
+      return str; // If not a string or empty, return the original value
     }
     return str.charAt(0).toUpperCase() + str.slice(1);
   }
@@ -366,22 +366,22 @@ export class MetaStringEncoder {
   }
 
   isUpperCase(str: string) {
-    // 检查字符串是否为空
+    // Check whether the string is empty
     if (typeof str !== "string" || str.length === 0) {
-      return false; // 如果不是字符串或为空，返回 false
+      return false; // If not a string or empty, return false
     }
 
-    // 使用正则表达式检查是否所有字母字符都是大写的
+    // Use a regular expression to check whether all alphabetic characters are uppercase
     return /^[^a-z]*$/.test(str);
   }
 
   isDigit(str: string) {
-    // 检查字符串是否为空
+    // Check whether the string is empty
     if (typeof str !== "string" || str.length === 0) {
-      return false; // 如果不是字符串或为空，返回 false
+      return false; // If not a string or empty, return false
     }
 
-    // 使用正则表达式检查是否所有字母字符都是大写的
+    // Use a regular expression to check whether all alphabetic characters are uppercase
     return /^[^0-9]*$/.test(str);
   }