fix(es/minifier): Fix optimization of numeric keys (#6052)

**Description:**

We should not optimize if the key starts with `0`.

**Related issue:**

 - Closes #6051.

crates/swc_ecma_minifier/src/compress/pure/properties.rs

@@ -95,14 +95,16 @@ impl Pure<'_> {
                 return;
             }
 
-            if let Ok(v) = s.value.parse::<u32>() {
-                self.changed = true;
-                report_change!("misc: Optimizing numeric property name");
-                *name = PropName::Num(Number {
-                    span: s.span,
-                    value: v as _,
-                    raw: None,
-                });
+            if !s.value.starts_with('0') || s.value.len() <= 1 {
+                if let Ok(v) = s.value.parse::<u32>() {
+                    self.changed = true;
+                    report_change!("misc: Optimizing numeric property name");
+                    *name = PropName::Num(Number {
+                        span: s.span,
+                        value: v as _,
+                        raw: None,
+                    });
+                }
             }
         }
     }

crates/swc_ecma_minifier/tests/exec.rs

@@ -10130,3 +10130,13 @@ fn feedback_regex_range() {
 
     run_default_exec_test(src);
 }
+
+#[test]
+fn issue_6051() {
+    run_default_exec_test(
+        r###"
+        const o = { '010': '', '123': 'bar' }
+        console.log(o)
+        "###,
+    );
+}