[hotfix] Temporary fix for Telink builds (#8638)

Something is wrong with the new Telink Docker image and
Telink CI jobs are failing preventing other PRs to be
merged. Switch back to the previous image version until
the problem is found.

.github/workflows/examples-telink.yaml

@@ -32,7 +32,7 @@ jobs:
         if: github.actor != 'restyled-io[bot]'
 
         container:
-            image: connectedhomeip/chip-build-telink:latest
+            image: connectedhomeip/chip-build-telink:0.4.30
             volumes:
                 - "/tmp/bloat_reports:/tmp/bloat_reports"