Bump actions/setup-java from 2 to 3 (#67)

Bumps [actions/setup-java](https://github.com/actions/setup-java) from 2 to 3.
- [Release notes](https://github.com/actions/setup-java/releases)
- [Commits](actions/setup-java@v2...v3)

---
updated-dependencies:
- dependency-name: actions/setup-java
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: m0nac0 <58807793+m0nac0@users.noreply.github.com>

.github/workflows/flutter_beta.yml

@@ -42,7 +42,7 @@ jobs:
 
     steps:
     - uses: actions/checkout@v2
-    - uses: actions/setup-java@v2
+    - uses: actions/setup-java@v3
       with:
         java-version: '11'
         distribution: 'temurin'

.github/workflows/flutter_ci.yml

@@ -53,7 +53,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v2
-      - uses: actions/setup-java@v2
+      - uses: actions/setup-java@v3
         with:
           java-version: '11'
           distribution: 'temurin'