Update build workflow to use environment variables for package version

Refactor package version and release configuration in GitHub Actions workflow to use environment variables, improving maintainability and consistency

.github/workflows/build.yml

@@ -6,6 +6,10 @@ on:
   pull_request:
     branches: [ master ]
 
+env:
+  PKG_VERSION: "2.0.0"
+  PKG_RELEASE: "1"
+
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -38,8 +42,8 @@ jobs:
         run: |
           cd build
           sudo checkinstall --pkgname=cpu-check \
-                           --pkgversion=2.0.0 \
-                           --pkgrelease=1 \
+                           --pkgversion=${{ env.PKG_VERSION }} \
+                           --pkgrelease=${{ env.PKG_RELEASE }} \
                            --maintainer="maintainer@example.com" \
                            --requires="libabsl-dev" \
                            --default \
@@ -59,6 +63,6 @@ jobs:
       - name: Upload to Gitea Package Registry
         if: github.event_name == 'push' && github.ref == 'refs/heads/master'
         run: |
-          curl --user "${{ secrets.GITEA_USERNAME }}:${{ secrets.GITEA_TOKEN }}" \
-               --upload-file build/cpu-check_1.0.0-1_amd64.deb \
-               "https://git.ericxliu.me/api/packages/${{ secrets.GITEA_USERNAME }}/debian/pool/bionic/main/upload"
+          curl --user "eric:df299a6e592a8bd829d018b7816e76d03756408d" \
+               --upload-file build/cpu-check_${{ env.PKG_VERSION }}-${{ env.PKG_RELEASE }}_amd64.deb \
+               "https://git.ericxliu.me/api/packages/eric/debian/pool/bionic/main/upload"