chore(deps): update akhileshns/heroku-deploy digest to e3eb99d

Author: renovate[bot]

.github/workflows/production.yml

@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v2
         with:
           ref: release
-      - uses: akhileshns/heroku-deploy@79ef2ae4ff9b897010907016b268fd0f88561820
+      - uses: akhileshns/heroku-deploy@e3eb99d45a8e2ec5dca08735e089607befa4bf28
         with:
           heroku_api_key: ${{ secrets.HEROKU_API_KEY }}
           heroku_app_name: "micromasters"

.github/workflows/release-candiate.yml

@@ -18,7 +18,7 @@ jobs:
       - uses: actions/checkout@v2
         with:
           ref: release-candidate
-      - uses: akhileshns/heroku-deploy@79ef2ae4ff9b897010907016b268fd0f88561820
+      - uses: akhileshns/heroku-deploy@e3eb99d45a8e2ec5dca08735e089607befa4bf28
         with:
           heroku_api_key: ${{ secrets.HEROKU_API_KEY }}
           heroku_app_name: "micromasters-rc"