Update workflow files

Author: actions-user

.github/workflows/learnpack-audit.yml

@@ -5,9 +5,9 @@ name: Learnpack audit
 
 on:
   push:
-    branches: [ master ]
+    branches: [ main ]
   pull_request:
-    branches: [ master ]
+    branches: [ main ]
 
 jobs:
   build:
@@ -16,7 +16,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [14.x]
+        node-version: [20.x]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:
@@ -26,4 +26,4 @@ jobs:
       with:
         node-version: ${{ matrix.node-version }}
     - run: npm install @learnpack/learnpack@latest -g
-    - run: learnpack audit
+    - run: learnpack audit