chore(grafana): bump version to 12.2.1

Author: duanhongyi

rootfs/Dockerfile

@@ -4,10 +4,10 @@ FROM registry.drycc.cc/drycc/base:${CODENAME}
 ARG DRYCC_UID=1001 \
   DRYCC_GID=1001 \
   DRYCC_HOME_DIR=/usr/share/grafana \
-  GRAFANA_VERSION="12.1.1" \
+  GRAFANA_VERSION="12.2.1" \
   JQ_VERSION="1.7.1" \
   CADDY_VERSION="2.10.2" \
-  PYTHON_VERSION="3.13"
+  PYTHON_VERSION="3.14"
 
 RUN groupadd drycc --gid ${DRYCC_GID} \
   && useradd drycc -u ${DRYCC_UID} -g ${DRYCC_GID} -s /bin/bash -m -d ${DRYCC_HOME_DIR}