Release workflow: Move changelog retrieval to the build job

.github/workflows/make_release.yaml

@@ -37,27 +37,9 @@ jobs:
           message: "Increment version to ${{ env.NEW_VERSION }}"
 
   build:
-    name: Build the distribution packages
+    name: Get changelog and build the distribution package
     runs-on: ubuntu-latest
     needs: increment-version
-    steps:
-      - uses: actions/checkout@v4
-      - name: Install Python tools
-        uses: BrandonLWhite/pipx-install-action@v0.1.1
-
-      - name: Build a binary wheel and a source tarball
-        run: poetry build
-
-      - name: Store the distribution packages
-        uses: actions/upload-artifact@v4
-        with:
-          name: python-package-distributions
-          path: dist/
-
-  make-github-release:
-    name: Create GitHub release
-    runs-on: ubuntu-latest
-    needs: build
     steps:
       - uses: actions/checkout@v4
       - name: Install Python tools
@@ -74,8 +56,24 @@ jobs:
         run: sudo apt update && sudo apt install pandoc -y
 
       - name: Obtain the changelog
-        run: echo CHANGELOG="$(poe changelog)" >> $GITHUB_ENV
+        run: echo "changelog=$(poe changelog)" >> $GITHUB_OUTPUT
 
+      - name: Build a binary wheel and a source tarball
+        run: poetry build
+
+      - name: Store the distribution packages
+        uses: actions/upload-artifact@v4
+        with:
+          name: python-package-distributions
+          path: dist/
+
+  make-github-release:
+    name: Create GitHub release
+    runs-on: ubuntu-latest
+    needs: build
+    env:
+      CHANGELOG: ${{ needs.build.outputs.changelog }}
+    steps:
       - name: Tag the commit
         id: tag_version
         uses: mathieudutour/github-tag-action@v6