chore(deps): bump stackitcloud/stackit

Bumps the terraform-providers group with 1 update in the /src directory: [stackitcloud/stackit](https://github.com/stackitcloud/terraform-provider-stackit).


Updates `stackitcloud/stackit` from 0.101.0 to 0.104.0
- [Release notes](https://github.com/stackitcloud/terraform-provider-stackit/releases)
- [Changelog](https://github.com/stackitcloud/terraform-provider-stackit/blob/main/RELEASE.md)
- [Commits](stackitcloud/terraform-provider-stackit@v0.101.0...v0.104.0)

---
updated-dependencies:
- dependency-name: stackitcloud/stackit
  dependency-version: 0.102.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: terraform-providers
...

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

Author: dependabot[bot]

src/terraform.tf

@@ -4,7 +4,7 @@ terraform {
   required_providers {
     stackit = {
       source  = "stackitcloud/stackit"
-      version = "0.101.0"
+      version = "0.104.0"
     }
     kubernetes = {
       source  = "hashicorp/kubernetes"