Refactor workflow names to use consistent naming convention

.github/workflows/ansible-apply.yaml

@@ -1,4 +1,4 @@
-name: Apply ansible playbooks
+name: Ansible Apply
 
 on:
   push:

.github/workflows/ansible-validate.yaml

@@ -1,4 +1,4 @@
-name: Validate ansible playbooks
+name: Ansible Validate
 
 on:
   pull_request:

.github/workflows/terraform-k8apps-apply.yaml

@@ -1,4 +1,4 @@
-name: Build and Release
+name: Terraform Apply
 
 on:
   push:

.github/workflows/terraform-k8apps-validate.yaml

@@ -1,4 +1,4 @@
-name: Validate Terraform
+name: Terraform Validate
 
 on:
   pull_request: