NEW YORK — A spike in shootings and murders in July fueled a 31% increase in the city’s crime rate over the same month last year, the NYPD said Friday, continuing to fuel a hot-button political issue that has the mayor and governor at odds. The news comes two days after Mayor Eric Adams and the NYPD, in their strongest pushback yet against bail reform, highlighted at a news conference what it called the “worst of the worst” — 10 repeat offenders with nearly 500 arrests among them. Adams and the police blame the elimination of bail for misdemeanors and certain felonies that went into effect wit…