bump core module

Author: marceljk

go.mod

@@ -15,7 +15,7 @@ require (
 	github.com/spf13/cobra v1.10.2
 	github.com/spf13/pflag v1.0.10
 	github.com/spf13/viper v1.21.0
-	github.com/stackitcloud/stackit-sdk-go/core v0.20.1
+	github.com/stackitcloud/stackit-sdk-go/core v0.21.1
 	github.com/stackitcloud/stackit-sdk-go/services/alb v0.9.0
 	github.com/stackitcloud/stackit-sdk-go/services/authorization v0.11.0
 	github.com/stackitcloud/stackit-sdk-go/services/cdn v1.9.1

go.sum

@@ -600,8 +600,8 @@ github.com/spf13/viper v1.21.0 h1:x5S+0EU27Lbphp4UKm1C+1oQO+rKx36vfCoaVebLFSU=
 github.com/spf13/viper v1.21.0/go.mod h1:P0lhsswPGWD/1lZJ9ny3fYnVqxiegrlNrEmgLjbTCAY=
 github.com/ssgreg/nlreturn/v2 v2.2.1 h1:X4XDI7jstt3ySqGU86YGAURbxw3oTDPK9sPEi6YEwQ0=
 github.com/ssgreg/nlreturn/v2 v2.2.1/go.mod h1:E/iiPB78hV7Szg2YfRgyIrk1AD6JVMTRkkxBiELzh2I=
-github.com/stackitcloud/stackit-sdk-go/core v0.20.1 h1:odiuhhRXmxvEvnVTeZSN9u98edvw2Cd3DcnkepncP3M=
-github.com/stackitcloud/stackit-sdk-go/core v0.20.1/go.mod h1:fqto7M82ynGhEnpZU6VkQKYWYoFG5goC076JWXTUPRQ=
+github.com/stackitcloud/stackit-sdk-go/core v0.21.1 h1:Y/PcAgM7DPYMNqum0MLv4n1mF9ieuevzcCIZYQfm3Ts=
+github.com/stackitcloud/stackit-sdk-go/core v0.21.1/go.mod h1:osMglDby4csGZ5sIfhNyYq1bS1TxIdPY88+skE/kkmI=
 github.com/stackitcloud/stackit-sdk-go/services/alb v0.9.0 h1:P24WoKPt14dfUiUJ4czIv+IiVmdCFQGrKgVtw23fxNg=
 github.com/stackitcloud/stackit-sdk-go/services/alb v0.9.0/go.mod h1:63XvbCslxdfWEp+0Q4OSzQrpbY4kvVODOiIEAEEVH8M=
 github.com/stackitcloud/stackit-sdk-go/services/authorization v0.11.0 h1:4YFY5PG4vP/NiEP1uxCwh+kQHEU7iHG6syuFD7NPqcw=