Update GitHub Actions workflows.

Add more up-to-date ruby versions, and refresh some Actions dependencies.

Author: hainesr

.github/workflows/lint.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Checkout rubyzip-bzip2 code
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
 
     - name: Install and set up ruby
       uses: ruby/setup-ruby@v1

.github/workflows/tests.yml

@@ -8,22 +8,23 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu]
-        ruby: [2.4, 2.5, 2.6, 2.7, '3.0', head, jruby, jruby-head, truffleruby, truffleruby-head]
+        ruby: ['2.4', '2.5', '2.6', '2.7', '3.0', '3.1', '3.2', '3.3', '3.4', head, jruby, jruby-head, truffleruby, truffleruby-head]
         include:
           - os: macos
-            ruby: 2.4
+            ruby: '2.6'
           - os: windows
-            ruby: 2.4.10
+            ruby: '2.4.10'
     runs-on: ${{ matrix.os }}-latest
     continue-on-error: ${{ endsWith(matrix.ruby, 'head') || matrix.os == 'windows' }}
     steps:
     - name: Checkout rubyzip-bzip2 code
-      uses: actions/checkout@v2
+      uses: actions/checkout@v4
 
     - name: Install and set up ruby
       uses: ruby/setup-ruby@v1
       with:
         ruby-version: ${{ matrix.ruby }}
+        rubygems: latest
         bundler-cache: true
 
     - name: Install bzip2 library
@@ -39,7 +40,7 @@ jobs:
 
     - name: Coveralls
       if: matrix.os == 'ubuntu' && !endsWith(matrix.ruby, 'head')
-      uses: coverallsapp/github-action@master
+      uses: coverallsapp/github-action@v2
       with:
         github-token: ${{ secrets.github_token }}
         flag-name: ${{ matrix.ruby }}
@@ -50,7 +51,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: Coveralls Finished
-      uses: coverallsapp/github-action@master
+      uses: coverallsapp/github-action@v2
       with:
         github-token: ${{ secrets.github_token }}
         parallel-finished: true