chore(deps): bump github.com/slack-go/slack from 0.17.3 to 0.19.0

Bumps [github.com/slack-go/slack](https://github.com/slack-go/slack) from 0.17.3 to 0.19.0.
- [Release notes](https://github.com/slack-go/slack/releases)
- [Changelog](https://github.com/slack-go/slack/blob/master/CHANGELOG.md)
- [Commits](https://github.com/slack-go/slack/compare/v0.17.3...v0.19.0)

---
updated-dependencies:
- dependency-name: github.com/slack-go/slack
  dependency-version: 0.19.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

go.mod

@@ -23,7 +23,7 @@ require (
 	github.com/openai/openai-go/v3 v3.22.0
 	github.com/rivo/tview v0.42.0
 	github.com/rs/zerolog v1.34.0
-	github.com/slack-go/slack v0.17.3
+	github.com/slack-go/slack v0.19.0
 	github.com/spf13/cobra v1.10.2
 	github.com/stretchr/testify v1.11.1
 	github.com/tencent-connect/botgo v0.2.1

go.sum

@@ -183,8 +183,8 @@ github.com/segmentio/encoding v0.5.4 h1:OW1VRern8Nw6ITAtwSZ7Idrl3MXCFwXHPgqESYfv
 github.com/segmentio/encoding v0.5.4/go.mod h1:HS1ZKa3kSN32ZHVZ7ZLPLXWvOVIiZtyJnO1gPH1sKt0=
 github.com/sergi/go-diff v1.3.1 h1:xkr+Oxo4BOQKmkn/B9eMK0g5Kg/983T9DqqPHwYqD+8=
 github.com/sergi/go-diff v1.3.1/go.mod h1:aMJSSKb2lpPvRNec0+w3fl7LP9IOFzdc9Pa4NFbPK1I=
-github.com/slack-go/slack v0.17.3 h1:zV5qO3Q+WJAQ/XwbGfNFrRMaJ5T/naqaonyPV/1TP4g=
-github.com/slack-go/slack v0.17.3/go.mod h1:X+UqOufi3LYQHDnMG1vxf0J8asC6+WllXrVrhl8/Prk=
+github.com/slack-go/slack v0.19.0 h1:J8lL/nGTsIUX53HU8YxZeI3PDkA+sxZsFrI2Dew7h44=
+github.com/slack-go/slack v0.19.0/go.mod h1:K81UmCivcYd/5Jmz8vLBfuyoZ3B4rQC2GHVXHteXiAE=
 github.com/spf13/cobra v1.10.2 h1:DMTTonx5m65Ic0GOoRY2c16WCbHxOOw6xxezuLaBpcU=
 github.com/spf13/cobra v1.10.2/go.mod h1:7C1pvHqHw5A4vrJfjNwvOdzYu0Gml16OCs2GRiTUUS4=
 github.com/spf13/pflag v1.0.9/go.mod h1:McXfInJRrz4CZXVZOBLb0bTZqETkiAhM9Iw0y3An2Bg=