fix: Adds restore keys to fallback

Author: eed3si9n

action.yml

@@ -60,6 +60,7 @@ runs:
       with:
         path: ${{ steps.cache-paths.outputs.sbt_diskcache }}
         key: ${{ steps.cache-paths.outputs.sbt_diskcachekey }}-${{ hashFiles('**/*.scala', '**/*.sbt', '**/*.properties') }}
+        restore-keys: ${{ steps.cache-paths.outputs.sbt_diskcachekey }}
     - name: "Download and Install sbt"
       shell: bash
       env:

example/src/test/scala/example/ATest.scala

@@ -2,6 +2,7 @@ package example
 
 import munit.*
 
+//
 class ATest extends FunSuite:
   test("sum"):
     assert(1 + 1 == 2)