users: Update Josh Poimboeuf's location

Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
diff --git a/users/jpoimboe.yaml b/users/jpoimboe.yaml
index a966f41..82efdca 100644
--- a/users/jpoimboe.yaml
+++ b/users/jpoimboe.yaml
@@ -2,6 +2,6 @@
 email: 'jpoimboe@redhat.com'
 key: '43932B05'
 locations:
-    'Paducah, KY':
-        latlong: '37.0833893,-88.6000478'
+    'Davis, CA':
+        latlong: '38.545379,-121.744583'
         description: ''