fix(deps): update module github.com/disgoorg/disgo to v0.18.15

Author: renovate[bot]

go.mod

@@ -5,7 +5,7 @@ go 1.21.0
 toolchain go1.24.1
 
 require (
-	github.com/disgoorg/disgo v0.18.13
+	github.com/disgoorg/disgo v0.18.15
 	github.com/disgoorg/json v1.2.0
 	github.com/disgoorg/snowflake/v2 v2.0.3
 	github.com/labstack/echo/v4 v4.12.0

go.sum

@@ -14,6 +14,8 @@ github.com/disgoorg/disgo v0.18.12 h1:bB4bgJ9KEyJ+vKfa/fYEwEYv8Ds3C8RUoavotF2xHx
 github.com/disgoorg/disgo v0.18.12/go.mod h1:wZ/ZW6x43QivIVrYrJxwSeFbIbrMqpi5vAU1ovsod8o=
 github.com/disgoorg/disgo v0.18.13 h1:RswLnakVS+RbCACBfK7mLv3YGdZh625N2SMnngnqd+Q=
 github.com/disgoorg/disgo v0.18.13/go.mod h1:wZ/ZW6x43QivIVrYrJxwSeFbIbrMqpi5vAU1ovsod8o=
+github.com/disgoorg/disgo v0.18.15 h1:T24I/NdUUody4FDvb8YkhSxHtsgRKD8Ui5Vi5PXnIrQ=
+github.com/disgoorg/disgo v0.18.15/go.mod h1:dXYVH059d6aK7mI+Nh/3svSRWedNd09P7C2VX3RqbJY=
 github.com/disgoorg/json v1.1.0 h1:7xigHvomlVA9PQw9bMGO02PHGJJPqvX5AnwlYg/Tnys=
 github.com/disgoorg/json v1.1.0/go.mod h1:BHDwdde0rpQFDVsRLKhma6Y7fTbQKub/zdGO5O9NqqA=
 github.com/disgoorg/json v1.2.0 h1:6e/j4BCfSHIvucG1cd7tJPAOp1RgnnMFSqkvZUtEd1Y=