ci: install Git in package publisher

.gitea/workflows/publish.yml

@@ -15,6 +15,16 @@ jobs:
     env:
       NODE_AUTH_TOKEN: ${{ secrets.SHRINKSDK_PACKAGE_TOKEN }}
     steps:
+      - name: Install Git
+        shell: bash
+        run: |
+          set -eu
+          if ! command -v git >/dev/null 2>&1; then
+            apt-get update
+            DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends git ca-certificates
+            rm -rf /var/lib/apt/lists/*
+          fi
+
       - name: Fetch tagged revision
         shell: bash
         run: |
@@ -23,7 +33,7 @@ jobs:
           test -n "$ref"
           git init .
           git remote add origin "https://git.crash.work/ShrinkSDK/ShrinkNetwork.Integration.App.git"
-          git fetch --depth=1 origin "$ref"
+          git fetch --depth=1 --tags origin "$ref"
           git checkout --detach FETCH_HEAD
 
       - name: Validate immutable release version