Update GitHub Actions workflow for build and release; specify Python version and add LICENSE file

Author: Lexian-droid

.github/workflows/release_and_build.yml

@@ -4,13 +4,17 @@ on:
     tags:
       - "v*"
       - "b*"
+    branches:
+      - main
+      - master
+  workflow_dispatch:
 
 jobs:
   build:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-2022]
+        os: [ubuntu-22.04, windows-latest]
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
@@ -20,26 +24,31 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v4
         with:
-          python-version: "3.x"
+          python-version: "3.13"
 
       - name: Install dependencies
         run: pip install -r requirements.txt
 
       - name: Build with PyInstaller
         run: pyinstaller GoSubtitle.spec
 
-      - name: Archive Linux Build
-        if: matrix.os == 'ubuntu-latest'
+      - name: Copy required files to dist
         run: |
-          tar -czvf GoSubtitle_linux_portable_amd64.tar.gz -C dist .
-          mv GoSubtitle_linux_portable_amd64.tar.gz dist/
+          cp readme.md dist/
+          cp LICENSE dist/
 
       - name: Archive Windows Build
-        if: matrix.os == 'windows-2022'
+        if: matrix.os == 'windows-latest'
         run: |
-          powershell -Command "Compress-Archive -Path dist/* -DestinationPath GoSubtitle_win_portable_amd64.zip"
+          zip -r GoSubtitle_win_portable_amd64.zip dist/
           mv GoSubtitle_win_portable_amd64.zip dist/
 
+      - name: Archive Linux Build
+        if: matrix.os == 'ubuntu-22.04'
+        run: |
+          tar -czvf GoSubtitle_linux_portable_amd64.tar.gz -C dist .
+          mv GoSubtitle_linux_portable_amd64.tar.gz dist/
+
       - name: Upload artifact
         uses: actions/upload-artifact@v4
         with:
@@ -50,6 +59,7 @@ jobs:
   changelog:
     runs-on: ubuntu-latest
     needs: build
+    if: startsWith(github.ref, 'refs/tags/')
     outputs:
       changelog: ${{ steps.extract.outputs.changelog }}
     steps:
@@ -67,6 +77,7 @@ jobs:
   release:
     runs-on: ubuntu-latest
     needs: changelog
+    if: startsWith(github.ref, 'refs/tags/')
     steps:
       - name: Download all artifacts
         uses: actions/download-artifact@v4