CI: update actions to v4

Submitted by: Sagar <42873729+SagarCodeCtrl users.noreply.github.com>

Github: closes #414


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1916133 13f79535-47bb-0310-9956-ffa450edef68

.github/workflows/linux.yml

@@ -312,29 +312,29 @@ jobs:
                     liblua5.3-dev libbrotli-dev libcurl4-openssl-dev     
                     libnghttp2-dev libjansson-dev libpcre2-dev gdb
                     perl-doc ${{ matrix.pkgs }}
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Cache installed libraries
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: ~/root
         key: cache-libs-${{ env.JOBID }}
     - name: Cache CPAN modules
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: ~/perl5
         key: cache-cpan-${{ env.JOBID }}
     - name: Configure environment
       run: ./test/travis_before_linux.sh
       timeout-minutes: 15
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       if: failure()
       with:
         name: config.log-${{ env.JOBID }}
         path: |
           /home/runner/build/**/config.log
     - name: Build and test
       run: ./test/travis_run_linux.sh
-    - uses: actions/upload-artifact@v3
+    - uses: actions/upload-artifact@v4
       if: failure()
       with:
         name: error_log-${{ env.JOBID }}