chore(deps): update docker.io/mongodb/mongodb-mcp-server docker tag to v1.8.1 (#906)

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

Author: renovate[bot]

registries/official/servers/mongodb/server.json

@@ -3,7 +3,7 @@
   "_meta": {
     "io.modelcontextprotocol.registry/publisher-provided": {
       "io.github.stacklok": {
-        "docker.io/mongodb/mongodb-mcp-server:1.8.0": {
+        "docker.io/mongodb/mongodb-mcp-server:1.8.1": {
           "metadata": {
             "last_updated": "2026-03-03T12:34:33Z",
             "stars": 936
@@ -118,7 +118,7 @@
           "name": "MDB_MCP_TELEMETRY"
         }
       ],
-      "identifier": "docker.io/mongodb/mongodb-mcp-server:1.8.0",
+      "identifier": "docker.io/mongodb/mongodb-mcp-server:1.8.1",
       "registryType": "oci",
       "transport": {
         "type": "stdio"

registries/toolhive/servers/mongodb/server.json

@@ -3,7 +3,7 @@
   "_meta": {
     "io.modelcontextprotocol.registry/publisher-provided": {
       "io.github.stacklok": {
-        "docker.io/mongodb/mongodb-mcp-server:1.8.0": {
+        "docker.io/mongodb/mongodb-mcp-server:1.8.1": {
           "metadata": {
             "last_updated": "2026-03-03T12:34:33Z",
             "stars": 936
@@ -118,7 +118,7 @@
           "name": "MDB_MCP_TELEMETRY"
         }
       ],
-      "identifier": "docker.io/mongodb/mongodb-mcp-server:1.8.0",
+      "identifier": "docker.io/mongodb/mongodb-mcp-server:1.8.1",
       "registryType": "oci",
       "transport": {
         "type": "stdio"