chore(librarian): onboard to librarian (#1120)

This PR onboards `google-cloud-firestore` to librarian.

Blocked on googleapis/python-firestore#1061.

Fixes googleapis/librarian#2458 🦕

---------

Co-authored-by: Anthonios Partheniou <[email protected]>

Author: ohmayr

packages/google-cloud-firestore/.github/.OwlBot.lock.yaml

@@ -12,7 +12,7 @@ jobs:
     - name: Setup Python
       uses: actions/setup-python@v5
       with:
-        python-version: "3.13"
+        python-version: "3.14"
     - name: Install nox
       run: |
         python -m pip install --upgrade setuptools pip wheel

packages/google-cloud-firestore/.github/.OwlBot.yaml

@@ -12,7 +12,7 @@ jobs:
     - name: Setup Python
       uses: actions/setup-python@v5
       with:
-        python-version: "3.13"
+        python-version: "3.14"
     - name: Install nox
       run: |
         python -m pip install --upgrade setuptools pip wheel

packages/google-cloud-firestore/.github/auto-approve.yml

@@ -17,7 +17,7 @@ jobs:
     - name: Setup Python
       uses: actions/setup-python@v5
       with:
-        python-version: '3.13'
+        python-version: '3.14'
 
     # firestore emulator requires java 21+
     - name: Setup Java

packages/google-cloud-firestore/.github/release-please.yml

@@ -45,7 +45,7 @@ jobs:
     - name: Setup Python
       uses: actions/setup-python@v5
       with:
-        python-version: "3.13"
+        python-version: "3.14"
     - name: Install coverage
       run: |
         python -m pip install --upgrade setuptools pip wheel