Try to re-use eclipse-distro build workflow

.github/workflows/eclipse-distro-build.yml

@@ -43,7 +43,6 @@ jobs:
           gpg_keyname: ${{ secrets.GPG_KEYID }}
           MACOS_CERTIFICATE_ID: ${{ secrets.MACOS_CERTIFICATE_ID }}
           KEYCHAIN: /Users/runner/Library/Keychains/login.keychain-db
-          KEYCHAIN_PASSWORD: ${{ secrets.KEYCHAIN_PASSWORD }}
           MACOS_NOTARIZATION_SERVICE_URL: http://localhost:8080
         run: |
           cd eclipse-distribution

.github/workflows/snapshot-current-eclipse-distro-build.yml

@@ -1,4 +1,4 @@
-name: Current Eclipse STS Distribution Build
+name: Current Eclipse STS Distribution Snapshot Build
 
 # configure manual trigger
 on:
@@ -11,8 +11,12 @@ on:
 jobs:
 
   eclipse-language-servers-build:
-    runs-on: macos-latest
+    runs-on: ubuntu-latest
     steps:
+      - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
+        with:
+          sparse-checkout: |
+            .github
       - name: Eclipse 4.28 Distro Build
         uses: ./.github/workflows/eclipse-distro-build.yml
         with: