fix(build): husky "install command is deprecated" aws#5114

Problem:
husky prints warning during "npm install":

    > [email protected] prepare
    > ts-node ./scripts/prepare.ts
    install command is deprecated

Solution:
Migrate as described in https://github.com/typicode/husky/releases/tag/v9.0.1

Author: justinmk3

.husky/pre-commit

@@ -1,6 +1,3 @@
-#!/bin/sh
-. "$(dirname "$0")/_/husky.sh"
-
 git secrets --register-aws || (echo 'Please install git-secrets https://github.com/awslabs/git-secrets to check for accidentally commited secrets!' && exit 1)
 git secrets --pre_commit_hook -- ""
 node_modules/.bin/pretty-quick --staged

scripts/prepare.ts

@@ -27,7 +27,7 @@ function main() {
         console.log('prepare: skipped (running in CI)')
         return
     }
-    child_process.execSync('husky install', { stdio: 'inherit' })
+    child_process.execSync('husky', { stdio: 'inherit' })
 }
 
 main()