Merge pull request hashicorp#13544 from hashicorp/compliance/update-h…

…eaders-batch-3

[IND-4226] [COMPLIANCE] Update Copyright Headers (Batch 3 of 5)

backport of commit 20a2abf (hashicorp#13530)

Co-authored-by: Anurag Sharma <anurag5sh@gmail.com>

Merge pull request hashicorp#13467 from hashicorp/karthik/release_1.14.2

release 1.14.2.

Backport proxy fix (hashicorp#13441)

* changelog update and patch release version changes (hashicorp#13440)

* changelog update and patch release version changes

* typo fix

* changes for allowing proxy server to fetch release binaries (hashicorp#13439)

change log update for packer 1.14.0 (hashicorp#13436)

* change log update for packer 1.14.0

* review suggested change

* packer version change, the one to be released

backport 1.13.1 changes to release/1.13.x (hashicorp#13405)

* Merge pull request hashicorp#13404 from hashicorp/karthik/prepare_version_1.13.1

prepare version 1.13.1

* Merge pull request hashicorp#13396 from hashicorp/karthik/powershell_fix

Powershell Script Config Environment Variables Fix

Update PR template for PCI (hashicorp#13387)

version: cut release 1.12.0

version: cut packer 1.12.0-alpha1

version: cut release 1.11.2