maint: Bump release tooling (#247)

## Which problem is this PR solving?

Updates our helm release tools to be up-to-date. This is necessary to
use oci repository urls. See
https://app.circleci.com/pipelines/github/honeycombio/helm-charts/645/workflows/d4873a2d-4a88-4b1c-b553-e8f186f61580/jobs/265

## Short description of the changes

Update to use latest helm and chart releaser

## How to verify that this has the expected result

Tested that cr package worked with these versions locally.

.circleci/install_tools.sh

@@ -2,8 +2,8 @@
 
 set -o errexit
 
-readonly HELM_VERSION=3.5.2
-readonly CHART_RELEASER_VERSION=1.2.0
+readonly HELM_VERSION=3.12.0
+readonly CHART_RELEASER_VERSION=1.5.0
 
 echo "Installing Helm..."
 curl -LO "https://get.helm.sh/helm-v$HELM_VERSION-linux-amd64.tar.gz"