GHA: test upload to akamai. Use different osx runner with Python 3.11 to install appdmg

.github/workflows/akamai-test.yml

@@ -0,0 +1,19 @@
+name: Test Akamai Upload
+
+on:
+  workflow_dispatch:
+
+jobs:
+    akamai-upload:
+      name: Upload to Akamai
+      runs-on: ubuntu-latest
+      steps:
+        env:
+          AWS_ACCESS_KEY_ID: ${{ secrets.TOOLS_S3_ACCESS_KEY }}
+          AWS_SECRET_ACCESS_KEY: ${{ secrets.TOOLS_S3_SECRET_KEY  }}
+          AWS_DEFAULT_REGION: us-east-1
+        run: |
+          file="upload-test.txt"
+          echo 'Upload test file' > $file
+          cat $file
+          aws s3 mv ./$file s3://tools-spring-io/test-akamai/$file --acl public-read --no-progress

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

@@ -196,7 +196,7 @@ jobs:
 
   sign-osx-distros:
     needs: [ eclipse-distro-build ]
-    runs-on: macos-latest-xl
+    runs-on: macos-13-xl
     steps:
       - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
         with: