toml (#4265)

Author: lzchen

.github/workflows/prepare-patch-release.yml

@@ -8,6 +8,9 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      - name: Install toml
+        run: pip install toml
+
       - run: |
           if [[ ! $GITHUB_REF_NAME =~ ^release/v[0-9]+\.[0-9]+\.x-0\.[0-9]+bx$ ]]; then
             echo this workflow should only be run against long-term release branches

.github/workflows/prepare-release-branch.yml

@@ -12,6 +12,9 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      - name: Install toml
+        run: pip install toml
+
       - name: Verify prerequisites
         env:
           PRERELEASE_VERSION: ${{ github.event.inputs.prerelease_version }}

.github/workflows/release.yml

@@ -14,6 +14,9 @@ jobs:
 
       - uses: actions/checkout@v4
 
+      - name: Install toml
+        run: pip install toml
+
       - name: Set environment variables
         run: |
           stable_version=$(./scripts/eachdist.py version --mode stable)