upgrade dev dependencies, clean up repository

Author: alexlanz

.github/workflows/main.yml

@@ -2,6 +2,10 @@ name: Test Package
 
 on: push
 
+concurrency:
+  group: ${{ github.ref }}
+  cancel-in-progress: true
+
 jobs:
   test:
     runs-on: ubuntu-22.04

.gitignore

@@ -8,3 +8,9 @@
 # Project
 /node_modules
 /dist
+
+# Build
+*.tsbuildinfo
+
+# ESLint
+.eslintcache