chore(deps): update bitnami/oras docker tag to v1.2.0-debian-12-r0

Author: renovate[bot]

tools/check_artifact/Dockerfile

@@ -1,5 +1,5 @@
 FROM hub.pingcap.net/bases/pingcap-base:v1
 RUN curl --proto '=https' --tlsv1.2 -sSf https://tiup-mirrors.pingcap.com/install.sh | sh
 ENV PATH=$PATH:/root/.tiup/bin
-COPY --from=bitnami/oras:1.1.0-debian-12-r20 /oras /bin/oras
+COPY --from=bitnami/oras:1.2.0-debian-12-r0 /oras /bin/oras
 COPY --chmod=755 check_artifact.sh /bin/check_artiact.sh