run-ci: modify permissions to execute

Per discussion in Ib420c69e88e88ca0a50863c83ad43fac750d3e7a, we
are going to require these scripts to have execute permission.

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I04fefb6a10b195ae2782014bf305d2cf80f706b3
diff --git a/scripts/run-ci.sh b/scripts/run-ci.sh
old mode 100644
new mode 100755