CI: Try working around recent ASAN failures.

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1916396 13f79535-47bb-0310-9956-ffa450edef68

Author: notroj

.github/workflows/linux.yml

@@ -305,6 +305,10 @@ jobs:
       run: |
         echo "${{ matrix.env }}" >> $GITHUB_ENV
         echo JOBID=`echo "${{ matrix.notest-cflags }} ${{ matrix.env }} ${{ matrix.config }}'"| md5sum - | sed 's/ .*//'` >> $GITHUB_ENV
+    # https://github.com/actions/runner-images/issues/9491#issuecomment-1989718917
+    - name: Workaround ASAN issue in Ubuntu 22.04
+      run: sudo sysctl vm.mmap_rnd_bits=28
+      if: env.TEST_ASAN == 1
     - name: apt refresh
       run: sudo apt-get -o Acquire::Retries=5 update
     - name: Install prerequisites