fix: refactor sqlserver to handle encryption correctly (#31)

## Description

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relates to #1234

## Checklist

- [ ] Issue was linked above
- [ ] Code format was applied: `make fmt`
- [ ] Examples were added / adjusted (see `examples/` directory)
- [x] Docs are up-to-date: `make generate-docs` (will be checked by CI)
- [ ] Unit tests got implemented or updated
- [ ] Acceptance tests got implemented or updated (see e.g. [here](f5f99d1709/stackit/internal/services/dns/dns_acc_test.go))
- [x] Unit tests are passing: `make test` (will be checked by CI)
- [x] No linter issues: `make lint` (will be checked by CI)

Reviewed-on: #31
Reviewed-by: Andre_Harms <andre.harms@stackit.cloud>

go.mod

@@ -3,6 +3,7 @@ module tf-provider.git.onstackit.cloud/stackit-dev-tools/terraform-provider-stac
 go 1.25.6
 
 require (
+	github.com/MatusOllah/slogcolor v1.7.0
 	github.com/google/go-cmp v0.7.0
 	github.com/google/uuid v1.6.0
 	github.com/hashicorp/terraform-plugin-framework v1.17.0
@@ -11,6 +12,7 @@ require (
 	github.com/hashicorp/terraform-plugin-log v0.10.0
 	github.com/hashicorp/terraform-plugin-testing v1.14.0
 	github.com/iancoleman/strcase v0.3.0
+	github.com/ivanpirog/coloredcobra v1.0.1
 	github.com/ldez/go-git-cmd-wrapper/v2 v2.9.1
 	github.com/spf13/cobra v1.10.2
 	github.com/stackitcloud/stackit-sdk-go/core v0.21.0