CI: Try setting PHP_FPM dynamically to restore php-fpm testing.

Author: notroj

.github/workflows/linux.yml

@@ -21,8 +21,6 @@ on:
 env:
   MARGS: "-j2"
   CFLAGS: "-g"
-  # This will need updating as the ubuntu-latest image changes:
-  PHP_FPM: "/usr/sbin/php-fpm8.1"
 
 jobs:
   build:

test/travis_run_linux.sh

@@ -146,6 +146,13 @@ if ! test -v NO_TEST_FRAMEWORK; then
         RV=1
     fi
 
+    PHP_FPM="`echo /usr/bin/php*-fpm || true`"
+    if test -x $PHP_FPM; then
+        : Using php-fpm at $PHP_FPM
+    else
+        unset PHP_FPM
+    fi
+
     if test -v WITH_TEST_SUITE -a $RV -eq 0; then
         make check TESTS="${TESTS}" TEST_CONFIG="${TEST_ARGS}" | tee test.log
         RV=${PIPESTATUS[0]}