fix(ci): fix extracting changelog to code on Windows CI env

.github/workflows/release_build.yml

@@ -120,6 +120,7 @@ jobs:
         with:
           flutter-version: ${{env.CI_FLUTTER_VERSION}}
       - name: Precompile
+        shell: pwsh
         run: |
           git submodule update --init --recursive --force
           flutter pub get

.github/workflows/test_build.yml

@@ -123,6 +123,7 @@ jobs:
         with:
           flutter-version: ${{env.CI_FLUTTER_VERSION}}
       - name: Precompile
+        shell: pwsh
         run: |
           git submodule update --init --recursive --force
           flutter pub get

lib/utils/git_info.dart

@@ -20,6 +20,8 @@ const readCurrentChangelog = ['cat', './CHANGELOG.md'];
   },
 )
 const readCurrentChangelogWindows = [
-  'dart',
-  'scripts/read_changelog.dart',
+  'Get-Content',
+  '-Encoding',
+  'utf8',
+  './CHANGELOG.md',
 ];