chore: Add v0.31.2 digest bundle to main branch

Signed-off-by: dkwon17 <[email protected]>

Author: dkwon17

olm-catalog/release-digest/channel.yaml

@@ -30,3 +30,5 @@ entries:
     replaces: devworkspace-operator.v0.30.0
   - name: devworkspace-operator.v0.31.1
     replaces: devworkspace-operator.v0.31.0
+  - name: devworkspace-operator.v0.31.2
+    replaces: devworkspace-operator.v0.31.1