Backport rpm: pack fluent-lts-release as artifact (#889) (#894)

Signed-off-by: Kentaro Hayashi <[email protected]>

Author: kenhys

.github/workflows/yum-arm.yml

@@ -58,6 +58,11 @@ jobs:
         with:
           name: packages-release-lts-${{ matrix.rake-job }}-aarch64
           path: fluent-release/yum/repositories
+      - name: Upload fluent-lts-release rpm
+        uses: actions/upload-artifact@v4
+        with:
+          name: packages-lts-release-${{ matrix.rake-job }}-aarch64
+          path: fluent-lts-release/yum/repositories
   check_package_size:
     name: Check Package Size
     runs-on: ubuntu-24.04-arm

.github/workflows/yum.yml

@@ -59,6 +59,11 @@ jobs:
         with:
           name: packages-release-lts-${{ matrix.rake-job }}
           path: fluent-release/yum/repositories
+      - name: Upload fluent-lts-release rpm
+        uses: actions/upload-artifact@v4
+        with:
+          name: packages-lts-release-${{ matrix.rake-job }}
+          path: fluent-lts-release/yum/repositories
   check_package_size:
     name: Check Package Size
     runs-on: ubuntu-latest