chore(deps): pin hishamhm/gh-actions-luarocks action to 86ccbca

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/check.yml

@@ -33,7 +33,7 @@ jobs:
         uses: leafo/gh-actions-lua@35bcb06abec04ec87df82e08caa84d545348536e # v10.0.0
 
       - name: Set up LuaRocks
-        uses: hishamhm/gh-actions-luarocks@master
+        uses: hishamhm/gh-actions-luarocks@86ccbcad8c77b22e94c96a2a08632192e2bcd62b # master
 
       - name: Run luacheck on Lua files
         env: