Bumped authservice chart version

Summary

This pins the current envoyfilter to Istio 1.7 and then creates a new envoy filter for 1.8 with the new naming scheme. Also changes to the 1.8 filter include typed config upgrades as well as filter names.

• proxyVersion Support - https://repo1.dso.mil/platform-one/big-bang/apps/core/istio-controlplane/-/merge_requests/29
• BB release with proxy versions - https://repo1.dso.mil/platform-one/big-bang/bigbang/-/blob/release-1.2/chart/values.yaml#L91
• Fixes https://repo1.dso.mil/platform-one/big-bang/bigbang/-/issues/191

Follows naming scheme istio uses

+ kubectl get envoyfilter -A
NAMESPACE      NAME                        AGE
istio-system   metadata-exchange-1.6       5d18h
istio-system   metadata-exchange-1.7       5d18h
istio-system   stats-filter-1.6            5d18h
istio-system   stats-filter-1.7            5d18h
istio-system   tcp-metadata-exchange-1.6   5d18h
istio-system   tcp-metadata-exchange-1.7   5d18h
istio-system   tcp-stats-filter-1.6        5d18h
istio-system   tcp-stats-filter-1.7        5d18h

changed milestone to %1.4.0

added authservice label

for future me:

# 1.7*
...
            filter:
              name: "envoy.http_connection_manager"
...
          typed_config:
            "@type": "type.googleapis.com/envoy.config.filter.http.ext_authz.v2.ExtAuthz"

# 1.8*
...
            filter:
              name: "envoy.filters.network.http_connection_manager"
...
          typed_config:
            "@type": "type.googleapis.com/envoy.extensions.filters.http.ext_authz.v3.ExtAuthz"

approved this merge request

merged

mentioned in commit 035884aa