tf(deps): bump SAP/btp in /examples/kyma-on-btp-new-sa (#47)

Bumps [SAP/btp](https://github.com/SAP/terraform-provider-btp) from 1.7.0 to 1.8.0.
- [Release notes](https://github.com/SAP/terraform-provider-btp/releases)
- [Changelog](https://github.com/SAP/terraform-provider-btp/blob/main/.goreleaser.yml)
- [Commits](SAP/terraform-provider-btp@v1.7.0...v1.8.0)

---
updated-dependencies:
- dependency-name: SAP/btp
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

examples/kyma-on-btp-new-sa/main.tf

@@ -2,7 +2,7 @@ terraform {
   required_providers {
     btp = {
       source  = "SAP/btp"
-      version = "1.7.0"
+      version = "1.8.0"
     }
     jq = {
       source  = "massdriver-cloud/jq"