Rename Invoke-UpdateIndex.ps1 to main.ps1 per action entry point standard

Author: Copilot

.github/actions/update-index/action.yml

@@ -16,4 +16,4 @@ runs:
         ClientID: ${{ inputs.ClientID }}
         PrivateKey: ${{ inputs.PrivateKey }}
         Script: |
-          ${{ github.action_path }}/src/Invoke-UpdateIndex.ps1
+          ${{ github.action_path }}/src/main.ps1

…/update-index/src/Invoke-UpdateIndex.ps1 .github/actions/update-index/src/main.ps1.github/actions/update-index/src/Invoke-UpdateIndex.ps1 renamed to .github/actions/update-index/src/main.ps1 .github/actions/update-index/src/Invoke-UpdateIndex.ps1 renamed to .github/actions/update-index/src/main.ps1

@@ -9,7 +9,7 @@
     metadata and regenerating module catalog documentation artifacts.
 
     .EXAMPLE
-    ./Invoke-UpdateIndex.ps1
+    ./main.ps1
 #>
 [CmdletBinding()]
 param()
@@ -29,8 +29,8 @@ LogGroup 'Collect repositories' {
 }
 
 LogGroup 'Skipped generators' {
-    Write-Host 'Update-ActionList is currently disabled in Invoke-UpdateIndex.ps1'
-    Write-Host 'Update-FunctionAppList is currently disabled in Invoke-UpdateIndex.ps1'
+    Write-Host 'Update-ActionList is currently disabled in main.ps1'
+    Write-Host 'Update-FunctionAppList is currently disabled in main.ps1'
 }
 
 LogGroup 'Update module catalog docs' {