build(deps): Bump hashicorp/packer from 1.14.3 to 1.15.0

Bumps hashicorp/packer from 1.14.3 to 1.15.0.

---
updated-dependencies:
- dependency-name: hashicorp/packer
  dependency-version: 1.15.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

Dockerfile.tools

@@ -5,7 +5,7 @@
 
 FROM bats/bats:1.13.0 as bats
 
-FROM hashicorp/packer:1.14.3 as packer
+FROM hashicorp/packer:1.15.0 as packer
 
 FROM hashicorp/terraform:1.14.4 as terraform