Update package.xml to include link to specific release notes.

PiperOrigin-RevId: 486774822

Author: zhangskz

php/BUILD.bazel

@@ -7,7 +7,7 @@ load("@rules_pkg//:pkg.bzl", "pkg_tar")
 load("@upb//cmake:build_defs.bzl", "staleness_test")
 load("//build_defs:internal_shell.bzl", "inline_sh_binary")
 load("//conformance:defs.bzl", "conformance_test")
-load("//:protobuf_version.bzl", "PROTOBUF_PHP_VERSION")
+load("//:protobuf_version.bzl", "PROTOBUF_PHP_VERSION", "PROTOC_VERSION")
 
 filegroup(
     name = "source_files",
@@ -192,6 +192,7 @@ genrule(
       "$(location ext/google/protobuf/generate_package_xml.sh)",
       "$(location ext/google/protobuf/template_package.xml)",
       PROTOBUF_PHP_VERSION,
+      PROTOC_VERSION,
       "$$(tar -tf $(location :release_without_package) | sed -z -e 's;\\n;,;g')",
       "$(location package.xml)"
     ]),

php/ext/google/protobuf/generate_package_xml.sh

@@ -2,8 +2,9 @@
 
 template_package_xml=$1
 release_version=$2
-release_files=$3
-out=$4
+protoc_version=$3
+release_files=$4
+out=$5
 
 date=$(date +%Y-%m-%d)
 time=$(date +%H:%M:%S)
@@ -36,4 +37,5 @@ sed -e "s;TEMPLATE_TIME;${time};" |
 sed -e "s;TEMPLATE_PHP_RELEASE;${release_version};" |
 sed -e "s;TEMPLATE_PHP_API;${api_version};" |
 sed -e "s;TEMPLATE_PHP_STABILITY;${stability};g" |
+sed -e "s;TEMPLATE_PROTOC_VERSION;${protoc_version};" |
 sed -e "s;TEMPLATE_FILES;${files};" > $out

php/ext/google/protobuf/template_package.xml

@@ -22,7 +22,7 @@
  </stability>
  <license uri="https://opensource.org/licenses/BSD-3-Clause">BSD-3-Clause</license>
  <notes>
- * See github.com/protocolbuffers/protobuf/releases for release notes.
+ * See github.com/protocolbuffers/protobuf/releases/tag/vTEMPLATE_PROTOC_VERSION for release notes.
  </notes>
  <contents>
   <dir baseinstalldir="/" name="/">TEMPLATE_FILES</dir>