Azure DNS Zone Module (azure_rm_dnszone) (#28418)

* New module for dns zone

Added new module and intergration tests for them

* fixed sanity issues

not importing specific moduels/classes; fixed now

test/integration/targets/azure_rm_dnszone/aliases

@@ -0,0 +1,3 @@
+cloud/azure
+posix/ci/cloud/azure
+destructive

test/integration/targets/azure_rm_dnszone/meta/main.yml

@@ -0,0 +1,2 @@
+dependencies:
+  - setup_azure

test/integration/targets/azure_rm_dnszone/tasks/main.yml

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+- name: Create a DNS zone
+  azure_rm_dnszone:
+    resource_group: "{{ resource_group }}"
+    name: testing.com
+    state: present
+  register: results
+
+- assert:
+    that: results.changed
+
+- name: Update DNS zone with tags
+  azure_rm_dnszone:
+    resource_group: "{{ resource_group }}"
+    name: testing.com
+    state: present
+    tags:
+      test: modified
+  register: results
+
+- assert:
+    that: 
+      - results.changed
+      - results.state.tags.test == 'modified'
+
+- name: Test check_mode
+  azure_rm_dnszone:
+    resource_group: "{{ resource_group }}"
+    name: testing.com
+    state: present
+    tags:
+      test: new_modified
+  check_mode: yes
+  register: results
+
+- assert:
+    that: 
+      - results.changed
+      - results.state.tags.test == 'new_modified'
+      - results.check_mode == true
+
+- name: Delete DNS zone
+  azure_rm_dnszone:
+    resource_group: "{{ resource_group }}"
+    name: testing.com
+    state: absent