chore(deps): bump github.com/go-co-op/gocron/v2 from 2.19.1 to 2.21.1

Bumps [github.com/go-co-op/gocron/v2](https://github.com/go-co-op/gocron) from 2.19.1 to 2.21.1.
- [Release notes](https://github.com/go-co-op/gocron/releases)
- [Commits](go-co-op/gocron@v2.19.1...v2.21.1)

---
updated-dependencies:
- dependency-name: github.com/go-co-op/gocron/v2
  dependency-version: 2.21.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

go.mod

@@ -30,7 +30,7 @@ require (
 )
 
 require (
-	github.com/go-co-op/gocron/v2 v2.19.1
+	github.com/go-co-op/gocron/v2 v2.21.1
 	github.com/mark3labs/mcp-go v0.46.0
 )
 

go.sum

@@ -72,8 +72,8 @@ github.com/gin-contrib/sse v1.1.1/go.mod h1:QXzuVkA0YO7o/gun03UI1Q+FTI8ZV/n5t03k
 github.com/gin-gonic/gin v1.12.0 h1:b3YAbrZtnf8N//yjKeU2+MQsh2mY5htkZidOM7O0wG8=
 github.com/gin-gonic/gin v1.12.0/go.mod h1:VxccKfsSllpKshkBWgVgRniFFAzFb9csfngsqANjnLc=
 github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q=
-github.com/go-co-op/gocron/v2 v2.19.1 h1:B4iLeA0NB/2iO3EKQ7NfKn5KsQgZfjb2fkvoZJU3yBI=
-github.com/go-co-op/gocron/v2 v2.19.1/go.mod h1:5lEiCKk1oVJV39Zg7/YG10OnaVrDAV5GGR6O0663k6U=
+github.com/go-co-op/gocron/v2 v2.21.1 h1:QYOK6iOQVCut+jDcs4zRdWRTBHRxRCEeeFi1TnAmgbU=
+github.com/go-co-op/gocron/v2 v2.21.1/go.mod h1:5lEiCKk1oVJV39Zg7/YG10OnaVrDAV5GGR6O0663k6U=
 github.com/go-ole/go-ole v1.2.4/go.mod h1:XCwSNxSkXRo4vlyPy93sltvi/qJq0jqQhjqQNIwKuxM=
 github.com/go-ole/go-ole v1.2.6/go.mod h1:pprOEPIfldk/42T2oK7lQ4v4JSDwmV0As9GaiUsvbm0=
 github.com/go-ole/go-ole v1.3.0 h1:Dt6ye7+vXGIKZ7Xtk4s6/xVdGDQynvom7xCFEdWr6uE=