use tags for easier PR testing

Author: nonrational

.github/workflows/run-cache-result-action.yml

@@ -1,6 +1,9 @@
 name: run-cache-result-action
 on: push
 
+# edge should point to master or a branch commit to verify
+# that a change is valid before merging.
+
 jobs:
   check-sha-result:
     runs-on: ubuntu-latest
@@ -9,26 +12,26 @@ jobs:
       optional-result: ${{ steps.restore-secondary-cache.outputs.result }}
     steps:
       - id: restore-cache
-        uses: parallel-markets/cache-result-action@a1e2c3ccc1be6464c4d571ff2932d6b6c9ae3e3d
+        uses: parallel-markets/cache-result-action@edge
 
       - id: restore-secondary-cache
-        uses: parallel-markets/cache-result-action@a1e2c3ccc1be6464c4d571ff2932d6b6c9ae3e3d
+        uses: parallel-markets/cache-result-action@edge
         with:
           cache-group: optional
 
   test:
     needs: check-sha-result
     runs-on: ubuntu-latest
     steps:
-      - uses: parallel-markets/cache-result-action@a1e2c3ccc1be6464c4d571ff2932d6b6c9ae3e3d
+      - uses: parallel-markets/cache-result-action@edge
         with:
           result: success
 
   optional-test:
     needs: check-sha-result
     runs-on: ubuntu-latest
     steps:
-      - uses: parallel-markets/cache-result-action@a1e2c3ccc1be6464c4d571ff2932d6b6c9ae3e3d
+      - uses: parallel-markets/cache-result-action@edge
         with:
           result: success
           cache-group: optional