Update FatFS Test

1.  Update caching the download of the FatFS source archive to the
    pattern other tests are using to cache items. It looked like it was
    downloading the archive every time.

Author: ejohnstown

.github/workflows/test-fatfs.yml

@@ -9,28 +9,27 @@ on:
 
 jobs:
   get-fatfs:
+    name: Get FatFS
     runs-on: ubuntu-latest
+    timeout-minutes: 4
     steps:
-      - name: Set up cache key
-        id: cache-key
-        run: echo "CACHE_KEY=ff15a-cache" >> $GITHUB_ENV
+      - name: Checking cache for FatFS
+        uses: actions/cache@v4
+        with:
+          path: ./ff15a.zip
+          key: fatfs-ff15a
+          lookup-only: true
 
-      - name: Download FF15a.zip
+      - name: Download FatFS
+        if: steps.cache-wolfssl.outputs.cache-hit != 'true'
         id: download
         run: |
           wget http://elm-chan.org/fsw/ff/arc/ff15a.zip -O ff15a.zip
 
-      - name: Cache the downloaded ZIP file
-        uses: actions/cache@v4
-        with:
-          path: ./ff15a.zip
-          key: ${{ env.CACHE_KEY }}
-          restore-keys: |
-            ${{ env.CACHE_KEY }}
-
   test-fatfs:
     needs: get-fatfs
     runs-on: ubuntu-latest
+    timeout-minutes: 4
     steps:
       - name: Checkout code
         uses: actions/checkout@v3
@@ -39,7 +38,7 @@ jobs:
         uses: actions/cache@v4
         with:
           path: ./ff15a.zip
-          key: ff15a-cache
+          key: fatfs-ff15a
           fail-on-cache-miss: true
 
       - name: Install dependencies