Prepare release 3.2.0 (#746)

SUMMARY
Prepare version 3.2.0
ISSUE TYPE

New Version Pull Request

ADDITIONAL INFORMATION
The current version of a major Ansible (Ansible 10) includes a collection version 3.1.0, meaning that the minor version (i.e. Ansible 10.1) will pick versions from the stable-3 branch. Hence, a recent documentation update will not be in Ansible and Ansible documentation site/kubernetes.core collection chapter until a new minor version released from stable-3 branch.
This PR also includes changes in README.md and Makefile that were missed in 3.1.0

Reviewed-by: Mike Graves <mgraves@redhat.com>

changelogs/changelog.yaml

@@ -854,3 +854,14 @@ releases:
     - 652-fix-json-patch-action.yml
     - 654-helm-expand-user.yml
     release_date: '2024-05-16'
+  3.2.0:
+    changes:
+      minor_changes:
+      - inventory/k8s.py - Defer removal of k8s inventory plugin to version 6.0.0 (https://github.com/ansible-collections/kubernetes.core/pull/734).
+      - connection/kubectl.py - Added an example of using the kubectl connection plugin to the documentation (https://github.com/ansible-collections/kubernetes.core/pull/741).
+      release_summary: This release comes with documentation updates.
+    fragments:
+    - 20240530-defer-removal-and-ansible-core-support-update.yaml
+    - 20240601-doc-example-of-using-kubectl.yaml
+    - 3.2.0.yml
+    release_date: '2024-06-14'

changelogs/fragments/20240601-doc-example-of-using-kubectl.yaml

@@ -1,3 +0,0 @@
----
-minor_changes:
-  - connection/kubectl.py - Added an example of using the kubectl connection plugin to the documentation (https://github.com/ansible-collections/kubernetes.core/pull/741).