Use state: latest for dpkg_selections test.

We don't need to test with `upgrade: dist`, since we're not trying
to test the `apt` module. We just need to make sure the hold set
by the `dpkg_selections` module is working.

This change will avoid updating all the packages on the system,
which is slow, unnecessary, and can cause the installed python
to be changed.

test/integration/targets/dpkg_selections/tasks/dpkg_selections.yaml

@@ -19,7 +19,9 @@
 
 - name: attempt to upgrade hello
   apt:
-    upgrade: dist
+    name: hello
+    state: latest
+  ignore_errors: yes
 
 - name: check hello version
   shell: dpkg -s hello | grep Version | awk '{print $2}'
@@ -37,7 +39,8 @@
 
 - name: upgrade hello
   apt:
-    upgrade: dist
+    name: hello
+    state: latest
 
 - name: check hello version
   shell: dpkg -s hello | grep Version | awk '{print $2}'