chore: remove package.json from gitignore

Author: Hunter Thompson

.gitignore

@@ -26,7 +26,6 @@ lib-cov
 logs
 node_modules/
 npm-debug.log*
-package.json
 pids
 report.[0-9]*.[0-9]*.[0-9]*.[0-9]*.json
 test/

.projenrc.js

@@ -21,7 +21,7 @@ const project = new ConstructLibraryCdk8s({
   ],
   releaseEveryCommit: true,
   dependabot: false,
-  gitignore: ['package.json', 'test/'],
+  gitignore: ['test/'],
   pullRequestTemplate: false,
   releaseBranches: ['main'],
   codeCov: true,