fix kokoro tests (remaining refs to package.xml

.github/workflows/php-ext.yml

@@ -28,6 +28,10 @@ jobs:
           rm -rf "$GITHUB_WORKSPACE/php/ext/google/protobuf/third_party"
           cp -r "$GITHUB_WORKSPACE/third_party" "$GITHUB_WORKSPACE/php/ext/google/protobuf"
           cp "$GITHUB_WORKSPACE/LICENSE" "$GITHUB_WORKSPACE/php/ext/google/protobuf"
+      - name: Generate package.xml
+        run: |
+          bazel build $GITHUB_WORKSPACE/php/ext/google/protobuf:generate_package_xml
+          cp $GITHUB_WORKSPACE/bazel-bin/php/ext/google/protobuf/package.xml $GITHUB_WORKSPACE/php/ext/google/protobuf/package.xml
       - name: Create package
         run: |
           cd /tmp

php/BUILD.bazel

@@ -14,15 +14,11 @@ filegroup(
         "//php:__pkg__",
     ],
     srcs = glob([
-        "ext/google/protobuf/*.h",
-        "ext/google/protobuf/*.c",
         "src/GPBMetadata/Google/Protobuf/**/*.php",
         "src/Google/Protobuf/**/*.php",
     ]) + [
         "composer.json",
-        "ext/google/protobuf/wkt.inc",
-        "ext/google/protobuf/config.m4",
-        "ext/google/protobuf/package.xml",
+        "//php/ext/google/protobuf:source_files",
     ],
 )
 

php/ext/google/protobuf/BUILD.bazel

@@ -17,12 +17,12 @@ pkg_files(
 )
 
 pkg_files(
-  name = "protobuf_files",
+  name = "source_files",
   srcs = glob([
     "*.h",
     "*.c",
   ]) + [
-    "//:LICENSE",
+    "LICENSE",
     "config.m4",
     "wkt.inc",
   ],
@@ -31,7 +31,7 @@ pkg_files(
 pkg_filegroup(
   name = "release_files",
   srcs = [
-    ":protobuf_files",
+    ":source_files",
     ":utf8_range_files",
   ],
 )