Fix workflows

.github/workflows/doxygen.yml

@@ -13,8 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     permissions:
       contents: write
-    container:
-      image: docker://rippleci/rippled-ci-builder:2944b78d22db
+    container: rippleci/rippled-build-ubuntu:aaf5e3e
     steps:
       - name: checkout
         uses: actions/checkout@v4

.github/workflows/macos.yml

@@ -23,6 +23,10 @@ jobs:
     steps:
       - name: checkout
         uses: actions/checkout@v4
+      - name: choose Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.9
       - name: install Ninja
         if: matrix.generator == 'Ninja'
         run: brew install ninja