Update gvm version used in buildkite to v0.6.0 (#372)

Author: michel-laterman

.buildkite/hooks/pre-command.ps1

@@ -2,7 +2,7 @@ $env:GO_VERSION = Get-Content -Path .go-version
 
 # Install gvm and go
 # TODO: Move GVM download to the base VM image
-$env:GvmVersion = "0.5.2"
+$env:GvmVersion = "0.6.0"
 [Net.ServicePointManager]::SecurityProtocol = "tls12"
 $env:GoVersion = Get-Content -Path .go-version
 Invoke-WebRequest -URI https://github.com/andrewkroh/gvm/releases/download/v$env:GvmVersion/gvm-windows-amd64.exe -Outfile C:\Windows\System32\gvm.exe

.buildkite/pipeline.yml

@@ -1,7 +1,7 @@
 # yaml-language-server: $schema=https://raw.githubusercontent.com/buildkite/pipeline-schema/main/schema.json
 env:
   SETUP_MAGE_VERSION: '1.14.0'
-  SETUP_GVM_VERSION: 'v0.5.0'
+  SETUP_GVM_VERSION: 'v0.6.0'
 
 steps:
   - label: ":buildkite: Lint"