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 <[email protected]>

Author: mwasilew

.github/workflows/zstd.yml

@@ -0,0 +1,40 @@
+name: Zstd Archive Release
+
+on:
+  push:
+    tags:
+
+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="${GITHUB_REF#refs/tags/}"
+          SHORT_TAG=$(echo "$TAG_NAME" | cut -d '.' -f 1,2)
+          echo "tag_name=$TAG_NAME" >> $GITHUB_OUTPUT
+          echo "short_tag=$SHORT_TAG" >> $GITHUB_OUTPUT
+
+      - name: Create zstd archive without prefix
+        run: |
+          cd ..
+          tar --exclude='./qcom-linux-testkit/.git' -I zstd -cf ${{ steps.version.outputs.tag_name }}.tar.zst qcom-linux-testkit
+          cp ${{ steps.version.outputs.tag_name }}.tar.zst ${{ steps.version.outputs.short_tag }}.tar.zst
+
+      - name: Upload archive(s) 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 }}