Add separate GitHub actions workflow for the REUSE compliance check

Author: flashcode

.github/workflows/ci.yml

@@ -20,7 +20,6 @@ env:
     lcov
     libreadline-dev
     libzstd-dev
-    pipx
     pkg-config
     zlib1g-dev
 
@@ -48,10 +47,6 @@ jobs:
         run: |
           sudo apt-get update -qq
           sudo apt-get --yes --no-install-recommends install ${{ env.WEECHAT_RELAY_DEPS_UBUNTU }}
-          pipx install reuse
-
-      - name: Check REUSE compliancy
-        run: reuse lint
 
       - name: Build
         env:

.github/workflows/reuse.yml

@@ -0,0 +1,22 @@
+# SPDX-FileCopyrightText: 2025 Sébastien Helleu <[email protected]>
+#
+# SPDX-License-Identifier: GPL-3.0-or-later
+
+name: REUSE Compliance Check
+
+on:
+  - push
+  - pull_request
+
+jobs:
+
+  test:
+
+    runs-on: ubuntu-24.04
+
+    steps:
+
+      - uses: actions/checkout@v4
+
+      - name: REUSE Compliance Check
+        uses: fsfe/reuse-action@v4