chore(deps): update grafana/otel-lgtm docker tag to v0.29.0 (#1208)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

logging-k8s-stdout-otlp-json/k8s/lgtm.yaml

@@ -47,7 +47,7 @@ spec:
     spec:
       containers:
         - name: lgtm
-          image: grafana/otel-lgtm:0.28.0@sha256:10f48eb2f8670134df542177bb19536c55421b089e43f9dfc2a27d4c078204d8
+          image: grafana/otel-lgtm:0.29.0@sha256:6e14b923e0130b8b294ca5bcc7c94d54e899d150817e6c3ed82d9b665afe5499
           ports:
             - containerPort: 3000
             - containerPort: 4317