Add zstd archive to tagged releases

zstd archive helps with running tests on space constrained systems. It's
already supported in LAVA and tuxlava (template renderer). This patch
will make it possible to use qcom-linux-testkit in tuxlava.

Signed-off-by: Milosz Wasilewski <milosz.wasilewski@oss.qualcomm.com>

Author: mwasilew

.github/workflows/zstd.yml

@@ -0,0 +1,37 @@
+name: Zstd Archive Release
+
+on:
+  push:
+    tags:
+      - 'v[0-9]+.[0-9]+.[0-9]+'  # Matching tags like v1.1.0
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Install zstd
+        run: sudo apt-get update && sudo apt-get install -y zstd
+
+      - name: Extract version info
+        id: version
+        run: |
+          TAG_NAME="${GITHUB_REF#refs/tags/}"
+          echo "tag_name=$TAG_NAME" >> $GITHUB_OUTPUT
+
+      - name: Create .tar.zst archives using git archive
+        run: |
+          git archive --format=tar --prefix=test-definitions/ ${{ steps.version.outputs.tag_name }} \
+            | zstd -o ../${{ steps.version.outputs.tag_name }}.tar.zst
+      - name: Upload .tar.zst archives to GitHub Release
+        uses: softprops/action-gh-release@v2
+        with:
+          tag_name: ${{ steps.version.outputs.tag_name }}
+          name: Release ${{ steps.version.outputs.tag_name }}
+          files: |
+            ../${{ steps.version.outputs.tag_name }}.tar.zst
+            ../${{ steps.version.outputs.short_tag }}.tar.zst
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}