In the love scene at the end of “Raiders of the Lost Ark,” a triumphant but bruised Indiana Jones (Harrison Ford) says to love interest Marion (Karen Allen), “It’s not the years, it’s the mileage.” That was true for the franchise start in 1981, when Ford was still in his 30s. But now he’s 80, and watching him groan and grimace through his fifth and final Indy romp, “Indiana Jones and the Dial of Destiny,” the realization dawns that it’s now the years and the mileage. Neither triumph nor disaster, “Dial of Destiny” settles for checking off franchise tropes —...