Add tmshort to reviewers (#3008)

Signed-off-by: Todd Short <[email protected]>
Upstream-repository: operator-lifecycle-manager
Upstream-commit: ad4ac77284454a077ecccfc6740f180bbb58e6f4

Author: tmshort

staging/operator-lifecycle-manager/OWNERS

@@ -10,6 +10,7 @@ approvers:
   - perdasilva
   - grokspawn
   - joelanford
+  - tmshort
 # review == this code is good /lgtm
 reviewers:
   - ecordell
@@ -29,3 +30,4 @@ reviewers:
   - grokspawn
   - dtfranz
   - asmacdo
+  - tmshort