[Ubuntu] Adding Bicep CLI (#3639)

* Add Bicep CLI to Ubuntu images

* Use helper download_with_retries

* remove bicep from deprecated 16.04 image

* formatting

Co-authored-by: Marcus Felling <MarcusFelling@microsoft.com>

images/linux/scripts/SoftwareReport/SoftwareReport.Generator.ps1

@@ -109,6 +109,7 @@ $toolsList = @(
     (Get-AzCopyVersion),
     (Get-BazelVersion),
     (Get-BazeliskVersion),
+    (Get-BicepVersion),
     (Get-CodeQLBundleVersion),
     (Get-CMakeVersion),
     (Get-DockerMobyClientVersion),