Initial setup of gitea actions

.gitea/actions/setup-sectool/action.yml

@@ -0,0 +1,16 @@
+name: Setup Sectool
+description: Download and install the sectool binary from GitHub releases
+
+runs:
+  using: "composite"
+  steps:
+    - name: Download sectool binary
+      shell: bash
+      run: |
+        LATEST=$(curl -s https://api.github.com/repos/a13labs/sectool/releases/latest)
+        ASSET_URL=$(echo "$LATEST" | jq -r '.assets[] | select(.name | test("linux.*x64")) | .browser_download_url')
+        curl -sL "$ASSET_URL" -o /tmp/sectool.zip
+        unzip -o /tmp/sectool.zip -d /usr/local/bin
+        rm /tmp/sectool.zip
+        chmod +x /usr/local/bin/sectool
+        sectool version