Fix gearman skipping expressions

Author: andrewmy

.github/workflows/ci.yml

@@ -169,7 +169,7 @@ jobs:
       # TODO: convert these two steps into one w/o excludes when Gearman extension gets a release for PHP 8.1
       # See https://github.com/php/pecl-networking-gearman/issues/16
       - run: bin/test.sh
-        if: ${{ matrix.php }} != '8.1'
+        if: ${{ matrix.php != '8.1' }}
 
       - run: bin/test.sh --exclude-group=gearman
-        if: ${{ matrix.php }} == '8.1'
+        if: ${{ matrix.php == '8.1' }}