Add GH references

Author: rhshadrach

pandas/core/reshape/encoding.py

@@ -565,7 +565,7 @@ def from_dummies(
                     and not isinstance(value, str)
                     and (is_list_like(value) or not isna(value))
                 ):
-                    # GH#???
+                    # https://github.com/pandas-dev/pandas/pull/60694
                     # `value` is not a string or NA.
                     # Using data.columns.dtype would coerce `value` into a string.
                     dtype = "object"

pandas/tests/reshape/test_from_dummies.py

@@ -449,7 +449,7 @@ def test_maintain_original_index():
 
 
 def test_int_columns_with_float_default():
-    # GH#???
+    # https://github.com/pandas-dev/pandas/pull/60694
     df = DataFrame(
         {
             3: [1, 0, 0],
@@ -461,7 +461,7 @@ def test_int_columns_with_float_default():
 
 
 def test_object_dtype_preserved():
-    # GH#???
+    # https://github.com/pandas-dev/pandas/pull/60694
     # When the input has object dtype, the result should as
     # well even when infer_string is True.
     df = DataFrame(