Fix typo in workflows

- Changed `input.os` to `inputs.os`.

Author: iamWing

.github/workflows/prepare-cache.yml

@@ -9,8 +9,8 @@ on:
 
 jobs:
   prepare-npm-cache:
-    name: Prepare npm cache for ${{ input.os }}
-    runs-on: ${{ input.os }}
+    name: Prepare npm cache for ${{ inputs.os }}
+    runs-on: ${{ inputs.os }}
 
     steps:
       - uses: actions/checkout@v3

.github/workflows/test.yml

@@ -13,8 +13,8 @@ jobs:
       fail-fast: false
       matrix:
         node-version: [14.x, 16.x]
-    name: Node v${{ matrix.node-version }} on ${{ input.os }}
-    runs-on: ${{ input.os }}
+    name: Node v${{ matrix.node-version }} on ${{ inputs.os }}
+    runs-on: ${{ inputs.os }}
 
     steps:
       - uses: actions/checkout@v3