Run the right restic version command

Author: dotboris

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
           bzip2 -d tools/restic/restic.bz2
           chmod +x tools/restic/restic
           echo "$GITHUB_WORKSPACE/tools/restic" >> "$GITHUB_PATH"
-      - run: restic --version
+      - run: restic version
 
       - uses: actions/setup-go@v3
         with: