[CI] update checkout and setup-java actions (#3658)

.github/workflows/ci.yml

@@ -37,9 +37,9 @@ jobs:
  java: "21"
  steps:
  - name: Checkout
- uses: actions/checkout@v3
+ uses: actions/checkout@v4
  - name: Set up JDK 
- uses: actions/setup-java@v3
+ uses: actions/setup-java@v4
  with:
  distribution: 'temurin'
  cache: 'sbt'
@@ -121,11 +121,11 @@ jobs:
  runs-on: ubuntu-22.04
  steps:
  - name: Checkout
- uses: actions/checkout@v3
+ uses: actions/checkout@v4
  with:
  fetch-depth: 0 # checkout tags so that dynver works properly (we need the version for MiMa)
  - name: Set up JDK 11
- uses: actions/setup-java@v3
+ uses: actions/setup-java@v4
  with:
  distribution: 'temurin'
  java-version: 11
@@ -143,9 +143,9 @@ jobs:
  java: [ "11", "21" ]
  steps:
  - name: Checkout
- uses: actions/checkout@v3
+ uses: actions/checkout@v4
  - name: Set up JDK
- uses: actions/setup-java@v3
+ uses: actions/setup-java@v4
  with:
  distribution: 'temurin'
  java-version: ${{ matrix.java }}
@@ -198,7 +198,7 @@ jobs:
  if: github.event.pull_request.user.login == 'softwaremill-ci'
  runs-on: ubuntu-22.04
  steps:
- - uses: actions/checkout@v3
+ - uses: actions/checkout@v4
  with:
  fetch-depth: 2
  # count number of files changed
@@ -226,4 +226,4 @@ jobs:
  uses: "pascalgn/[email protected]"
  env:
  GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"
- MERGE_METHOD: "squash"
+ MERGE_METHOD: "squas4"