Update GitHub Actions to latest versions

Updated `actions/upload-artifact` to v5 and `actions/download-artifact` to v6 across multiple workflow steps to ensure compatibility, security, and improved functionality. Artifact names and paths remain unchanged. No modifications were made to the `actions/checkout` action or workflow logic.

Author: MrHinsh

.github/workflows/main.yml

@@ -291,7 +291,7 @@ jobs:
 
           Write-Output "-------------------------------------------"
           Write-Output "::endgroup::"
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v5
         with:
           name: AzureDevOpsMigrationTools-Scripts
           path: ./build/**
@@ -441,11 +441,11 @@ jobs:
         if: ${{ steps.Build.outcome == 'success' }}
         run: |
           Get-ChildItem -Path ./staging/ -Recurse | ForEach-Object { $_.FullName }
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v5
         with:
           name: AzureDevOpsMigrationTools-Packages
           path: ./staging/**
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v5
         with:
           name: AzureDevOpsMigrationTools-Generated
           path: ./docs/Reference/Generated/**
@@ -487,7 +487,7 @@ jobs:
           $configFiles = "hugo.yaml,hugo.$environment.yaml"
           Write-Host "Using config files: $configFiles"
           hugo --source docs --config $configFiles --logLevel debug;
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v5
         with:
           name: AzureDevOpsMigrationTools-Site2
           path: ./public/**/*
@@ -507,10 +507,10 @@ jobs:
     # Release app when RunRelease is true (ForceRelease OR src changed)
     if: ${{ success() && needs.Setup.outputs.nkdAgility_RunRelease == 'true' }}
     steps:
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v6
         with:
           name: AzureDevOpsMigrationTools-Packages
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v6
         with:
           name: AzureDevOpsMigrationTools-Scripts
           path: ./build/
@@ -592,7 +592,7 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v6
       - name: "Find files"
         shell: pwsh
         run: |
@@ -619,7 +619,7 @@ jobs:
     # Only when app was released
     if: ${{ success() && needs.Setup.outputs.nkdAgility_RunRelease == 'true' }}
     steps:
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v6
         with:
           name: AzureDevOpsMigrationTools-Packages
       - name: "Choco"
@@ -645,7 +645,7 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      - uses: actions/download-artifact@v4
+      - uses: actions/download-artifact@v6
       - name: "Find files"
         shell: pwsh
         run: |
@@ -666,7 +666,7 @@ jobs:
     if: ${{ !(github.event.pull_request.head.repo.fork) }}
     steps:
       - name: Download a single artifact
-        uses: actions/download-artifact@v4
+        uses: actions/download-artifact@v6
         with:
           name: AzureDevOpsMigrationTools-Site2
           path: ./_site2