Set execute permission on script with shebang (#131)

Author: ellert

ChangeLog

@@ -1,3 +1,7 @@
+2026-04-01  Mattias Ellert  <mattias.ellert@physics.uu.se>
+
+	* inst/examples/installDeps2.r: Set execution permissions
+
 2026-03-09  Dirk Eddelbuettel  <edd@debian.org>
 
 	* inst/examples/installRub.r: Enable install from r-multiverse