fix(catalog): rename memos entry to mem-os and re-pin both entries

plugin-catalog/mem-os.yaml

@@ -1,10 +1,10 @@
-name: memos
+name: mem-os
 repo: https://github.com/Markgatcha/memos
-sha: 5b660153372f9beb47d76fc117d1d51eab557245
+sha: af8fa31e01078e4d5e38210b61acdf90f6d70581
 subdir: plugin
 description: 'Local-first persistent memory: store durable facts once and recall them in any
   session. Portable Agent Plugins v1 package (mcp.json + skills/): the @mem-os/sdk MCP server
-  (pinned 1.6.26) over npx stdio, plus the memos-memory skill covering when to store and when
+  (pinned 1.6.26) over npx stdio, plus the mem-os-memory skill covering when to store and when
   to recall. All data stays in a local SQLite database under the user home directory; no cloud,
   no telemetry, no API keys. Server cwd is ${PLUGIN_DATA} so nothing is written into the install
   tree. Needs Node.js and npm on PATH.'

plugin-catalog/umt.yaml

@@ -1,6 +1,6 @@
 name: umt
 repo: https://github.com/Markgatcha/universal-mcp-toolkit
-sha: b062608b903f81e6e4cf8baa36d30f95e6077644
+sha: b6eb997c316de472318ca658d6d7b57b62ca13d0
 subdir: plugin
 description: 'Connect 28 production-ready MCP servers to any coding agent. Portable Agent
   Plugins v1 package (mcp.json + skills/): three zero-config stdio servers out of the box