ENH: Improve IntCastingNaNError message with solutions

Author: ADITYA-kus

pandas/core/dtypes/astype.py

@@ -144,9 +144,9 @@ def _astype_float_to_int_nansafe(
     """
     if not np.isfinite(values).all():
         raise IntCastingNaNError(
-            """Cannot convert non-finite values (NA or inf) to integer.
-            Replace or remove non-finite values or cast to an integer type 
-            that supports these values (e.g. 'Int64')"""
+            "Cannot convert non-finite values (NA or inf) to integer."
+            "Replace or remove non-finite values or cast to an integer type"
+            "that supports these values (e.g. 'Int64')"
         )
     if dtype.kind == "u":
         # GH#45151