Valentine's Day is fast approaching—this year it falls on Saturday. Don't have any plans yet? Head to these uptown spots for Galentine's Day (February 13) fun, gifts, and day-of ideas galore. Stuff Your Stanley Galentine's Day Party at Sugar Hill Creamery (Friday, February 13) • East Harlem   1642 Lexington Ave between 103rd and 104th Sts • Central Harlem 184 Malcolm X Blvd between W 119th and W 120th Sts • Hamilton Heights  3629 Broadway between W 149th and W 150th Sts Hear