Bump ibm-cloud/ibm from 1.72.2 to 1.73.0

Bumps [ibm-cloud/ibm](https://github.com/IBM-Cloud/terraform-provider-ibm) from 1.72.2 to 1.73.0.
- [Release notes](https://github.com/IBM-Cloud/terraform-provider-ibm/releases)
- [Changelog](https://github.com/IBM-Cloud/terraform-provider-ibm/blob/master/CHANGELOG.md)
- [Commits](IBM-Cloud/terraform-provider-ibm@v1.72.2...v1.73.0)

---
updated-dependencies:
- dependency-name: ibm-cloud/ibm
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

modules/1_bastion/versions.tf

@@ -22,7 +22,7 @@ terraform {
   required_providers {
     ibm = {
       source  = "ibm-cloud/ibm"
-      version = "1.72.2"
+      version = "1.73.0"
     }
     random = {
       source  = "hashicorp/random"

modules/2_nbde/versions.tf

@@ -22,7 +22,7 @@ terraform {
   required_providers {
     ibm = {
       source  = "ibm-cloud/ibm"
-      version = "1.72.2"
+      version = "1.73.0"
     }
     random = {
       source  = "hashicorp/random"

modules/3_fips/versions.tf

@@ -22,7 +22,7 @@ terraform {
   required_providers {
     ibm = {
       source  = "ibm-cloud/ibm"
-      version = "1.72.2"
+      version = "1.73.0"
     }
     random = {
       source  = "hashicorp/random"

versions.tf

@@ -22,7 +22,7 @@ terraform {
   required_providers {
     ibm = {
       source  = "ibm-cloud/ibm"
-      version = "1.72.2"
+      version = "1.73.0"
     }
     random = {
       source  = "hashicorp/random"