Add workflow to test snap packaging

- Update runner versions

.github/workflows/ci.yml

@@ -24,7 +24,7 @@ jobs:
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@master
         with:
           submodules: recursive
 

.github/workflows/codeql-analysis.yml

@@ -37,11 +37,11 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2
+      uses: actions/checkout@master
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v1
+      uses: github/codeql-action/init@v2
       with:
         languages: ${{ matrix.language }}
         # If you wish to specify custom queries, you can do so here or in a config file.
@@ -52,7 +52,7 @@ jobs:
     # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
     # If this step fails, then you should remove it and run the build manually (see below)
     - name: Autobuild
-      uses: github/codeql-action/autobuild@v1
+      uses: github/codeql-action/autobuild@v2
 
     # ℹ️ Command-line programs to run using the OS shell.
     # 📚 https://git.io/JvXDl
@@ -66,4 +66,4 @@ jobs:
     #   make release
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v1
+      uses: github/codeql-action/analyze@v2

.github/workflows/publish-deb.yml

@@ -28,7 +28,7 @@ jobs:
     steps:
       # Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@master
         with:
           fetch-depth: 0
 

.github/workflows/snapcraft.yaml

@@ -0,0 +1,29 @@
+name: Test Snap packaging
+
+on:
+  push:
+    branches: [ "**" ]
+  workflow_dispatch:
+
+permissions:
+  id-token: write
+  contents: read
+jobs:
+  gnome-snap:
+    name: "Snap"
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout Git repository
+        uses: actions/checkout@v4
+      - name: Use source from current branch
+        run: |
+          sed -i 's/source:.*/source: ./g' snap/snapcraft.yaml
+      - name: Test snap building
+        uses: snapcore/action-build@v1
+        id: snapcraft-build
+        with:
+          snapcraft-args: "--verbose"
+      - uses: actions/upload-artifact@v4
+        with:
+          name: simple-pwgen-snap
+          path: ${{ steps.snapcraft-build.outputs.snap }}