chore: bump golang to 1.21 and gomplate v3.11.6 (#385)

* chore: bump golang from 1.20 to 1.21 in /build/gomplate

Bumps golang from 1.20 to 1.21.

---
updated-dependencies:
- dependency-name: golang
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

* Update Makefile

Signed-off-by: Andrew Peabody <andrewpeabody@google.com>

---------

Signed-off-by: dependabot[bot] <support@github.com>
Signed-off-by: Andrew Peabody <andrewpeabody@google.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Andrew Peabody <andrewpeabody@google.com>

Makefile

@@ -6,7 +6,7 @@ KUSTOMIZE_VERSION ?= 4.5.5
 GATEKEEPER_VERSION ?= release-3.11
 BATS_VERSION ?= 1.8.2
 GATOR_VERSION ?= 3.11.0
-GOMPLATE_VERSION ?= 3.11.5
+GOMPLATE_VERSION ?= 3.11.6
 
 REPO_ROOT := $(shell git rev-parse --show-toplevel)
 WEBSITE_SCRIPT_DIR := $(REPO_ROOT)/scripts/website

build/gomplate/Dockerfile

@@ -1,4 +1,4 @@
-FROM golang:1.20@sha256:cfc9d1b07b1ef4f7a4571f0b60a99646a92ef76adb7d9943f4cb7b606c6554e2
+FROM golang:1.21@sha256:d2aad22fc6f1017aa568d980b15d0067a721c770be47b9dc62b11c33487fba64
 
 ARG GOMPLATE_VERSION