Simplify checking out latest release

.github/workflows/get_context.yml

@@ -11,12 +11,13 @@ jobs:
     runs-on: ubuntu-latest
     environment: mastodon
     steps:
-      - name: Get latest release
-        run: |
-          curl --retry 20 -s https://api.github.com/repos/nanos/mastodon_get_replies/releases/latest | jq .zipball_url | xargs wget -O download.zip
-          unzip -j download.zip
-          mkdir artifacts
-          ls -lR
+      - name: Checkout repository
+        uses: actions/checkout@v3
+        with:
+          repository: nanos/mastodon_get_replies
+          fetch-depth: 0
+      - name: Checkout latest release tag
+        run: git checkout $(git describe --tags)
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
@@ -39,7 +40,7 @@ jobs:
           name: artifacts
           path: |
             artifacts
-      - name: Check out, so that we can keep the workflow alive
-        uses: actions/checkout@v3
+      - name: Swap back to main branch for keeping workflow alive
+        run: git checkout main
       - name: Keep workflow alive
         uses: gautamkrishnar/keepalive-workflow@v1