ci: bump JDK to 21 for firebase-tools emulator

Author: mwpryer

.github/workflows/publish.yml

@@ -23,7 +23,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: temurin
-          java-version: "17"
+          java-version: "21"
       - run: bun install --frozen-lockfile
       # Guard against tag drifting from package.json version
       - run: test "$GITHUB_REF_NAME" = "v$(npm pkg get version | tr -d '\"')"

.github/workflows/test.yml

@@ -1,6 +1,7 @@
 name: Test
 
 on:
+  workflow_dispatch:
   push:
     branches: [main]
   pull_request:
@@ -22,7 +23,7 @@ jobs:
       - uses: actions/setup-java@v4
         with:
           distribution: temurin
-          java-version: "17"
+          java-version: "21"
       - run: bun install --frozen-lockfile
       - run: bun run typecheck
       - run: bun run lint