feat!: deprecate node12.

BREAKING CHANGE: Remove node12 from CI (#543)

Author: ajewellamz

.github/workflows/ci-unit-tests.yaml

@@ -13,7 +13,6 @@ jobs:
           - windows-latest
           - macos-latest
         node:
-          - 12
           - 14
           - 16
     steps:

codebuild/release/publish.yml

@@ -16,7 +16,7 @@ phases:
       - npm install otplib --no-save
       - npm test
     runtime-versions:
-      nodejs: 12
+      nodejs: 14
 
   pre_build:
     commands:

codebuild/release/version.yml

@@ -13,7 +13,7 @@ phases:
     commands:
       - npm ci --unsafe-perm
     runtime-versions:
-      nodejs: 12
+      nodejs: 14
   pre_build:
     commands:
       - git config --global user.name "aws-crypto-tools-ci-bot"