Bump plover-plugins-manager to 0.7.2

Author: mkrnr

reqs/constraints.txt

@@ -33,7 +33,7 @@ packaging==21.0
 pep517==0.12.0
 pip==21.3.1
 pkginfo==1.8.1
-plover-plugins-manager==0.7.0
+plover-plugins-manager==0.7.2
 plover-stroke==1.1.0
 plover-treal==1.0.1
 pluggy==1.0.0