set python version

Author: maxbachmann

.github/workflows/branchbuild.yml

@@ -16,6 +16,10 @@ jobs:
         with:
           submodules: 'true'
 
+      - uses: "actions/setup-python@v5"
+        with:
+          python-version: "3.12"
+
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
@@ -48,6 +52,10 @@ jobs:
     steps:
       - uses: "actions/checkout@v4"
 
+      - uses: "actions/setup-python@v5"
+        with:
+          python-version: "3.12"
+
       - name: Install rapidfuzz-cpp
         run: |
           git clone https://github.com/rapidfuzz/rapidfuzz-cpp.git
@@ -88,6 +96,10 @@ jobs:
     steps:
       - uses: "actions/checkout@v4"
 
+      - uses: "actions/setup-python@v5"
+        with:
+          python-version: "3.12"
+
       - name: Install rapidfuzz-cpp
         run: |
           git clone https://github.com/rapidfuzz/rapidfuzz-cpp.git