chore: Update default branch to main

.github/scripts/publish_preflight_check.sh

@@ -159,8 +159,8 @@ echo_info "Generating changelog"
 echo_info "--------------------------------------------"
 echo_info ""
 
-echo_info "---< git fetch origin master --prune --unshallow >---"
-git fetch origin master --prune --unshallow
+echo_info "---< git fetch origin main --prune --unshallow >---"
+git fetch origin main --prune --unshallow
 echo ""
 
 echo_info "Generating changelog from history..."

.github/workflows/ci.yml

@@ -37,6 +37,12 @@ jobs:
       uses: actions/setup-node@v4
       with:
         node-version: 20
+    - name: Set up Java 21
+      uses: actions/setup-java@v5
+      with:
+        distribution: 'temurin'
+        java-version: '21'
+        check-latest: true
     - name: Install firebase-tools
       run: npm install -g firebase-tools
     - name: Run Database emulator tests

.github/workflows/nightly.yml

@@ -70,7 +70,7 @@ jobs:
 
     - name: Send email on failure
       if: failure()
-      uses: firebase/firebase-admin-node/.github/actions/send-email@master
+      uses: firebase/firebase-admin-node/.github/actions/send-email@main
       with:
         api-key: ${{ secrets.OSS_BOT_MAILGUN_KEY }}
         domain: ${{ secrets.OSS_BOT_MAILGUN_DOMAIN }}
@@ -85,7 +85,7 @@ jobs:
 
     - name: Send email on cancelled
       if: cancelled()
-      uses: firebase/firebase-admin-node/.github/actions/send-email@master
+      uses: firebase/firebase-admin-node/.github/actions/send-email@main
       with:
         api-key: ${{ secrets.OSS_BOT_MAILGUN_KEY }}
         domain: ${{ secrets.OSS_BOT_MAILGUN_DOMAIN }}

.github/workflows/release.yml

@@ -84,11 +84,11 @@ jobs:
 
     # Check whether the release should be published. We publish only when the trigger PR is
     #   1. merged
-    #   2. to the master branch
+    #   2. to the main branch
     #   3. with the label 'release:publish', and
     #   4. the title prefix '[chore] Release '.
     if: github.event.pull_request.merged &&
-      github.ref == 'refs/heads/master' &&
+      github.ref == 'refs/heads/main' &&
       contains(github.event.pull_request.labels.*.name, 'release:publish') &&
       startsWith(github.event.pull_request.title, '[chore] Release ')
 
@@ -130,7 +130,7 @@ jobs:
     - name: Post to Twitter
       if: success() &&
         contains(github.event.pull_request.labels.*.name, 'release:tweet')
-      uses: firebase/firebase-admin-node/.github/actions/send-tweet@master
+      uses: firebase/firebase-admin-node/.github/actions/send-tweet@main
       with:
         status: >
           ${{ steps.preflight.outputs.version }} of @Firebase Admin Python SDK is available.

CONTRIBUTING.md

@@ -47,7 +47,7 @@ Great, we love hearing how we can improve our products! Share you idea through o
 ## <a name="submit"></a>Want to submit a pull request?
 
 Sweet, we'd love to accept your contribution!
-[Open a new pull request](https://github.com/firebase/firebase-admin-python/pull/new/master) and fill
+[Open a new pull request](https://github.com/firebase/firebase-admin-python/pull/new) and fill
 out the provided template.
 
 **If you want to implement a new feature, please open an issue with a proposal first so that we can