Build with newer version of Python

We are getting an issue importing __future__ from annotations in one
case and "invalid syntax" in another with `if CC :=`.

Author: code-asher

.github/workflows/release.yaml

@@ -41,6 +41,11 @@ jobs:
             package-lock.json
             test/package-lock.json
 
+      # node-gyp needs a newer version of Python.
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+
       - run: SKIP_SUBMODULE_DEPS=1 npm ci
 
       - name: Install development tools
@@ -138,6 +143,11 @@ jobs:
             package-lock.json
             test/package-lock.json
 
+      # node-gyp needs a newer version of Python.
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+
       - name: Install cross-compiler and system dependencies
         run: |
           dpkg --add-architecture $TARGET_ARCH