chore: manual update of update_generation_config.sh (#11684)

Unfortunately, googleapis/sdk-platform-java#3853
cannot be automatically propagated.

This PR manually updates this script with the latest.

Author: diegomarquezp

.github/scripts/update_generation_config.sh

@@ -1,5 +1,5 @@
 #!/bin/bash
-set -e
+set -ex
 # This script should be run at the root of the repository.
 # This script is used to update googleapis_commitish, gapic_generator_version,
 # and libraries_bom_version in generation configuration at the time of running
@@ -15,8 +15,10 @@ set -e
 function get_latest_released_version() {
     local group_id=$1
     local artifact_id=$2
-    json_content=$(curl -s "https://search.maven.org/solrsearch/select?q=g:${group_id}+AND+a:${artifact_id}&core=gav&rows=500&wt=json")
-    latest=$(jq -r '.response.docs[] | select(.v | test("^[0-9]+(\\.[0-9]+)*$")) | .v' <<< "${json_content}" | sort -V | tail -n 1)
+    group_id_url_path="$(sed 's|\.|/|g' <<< "${group_id}")"
+    url="https://repo1.maven.org/maven2/${group_id_url_path}/${artifact_id}/maven-metadata.xml"
+    xml_content=$(curl -s --fail "${url}")
+    latest=$(xmllint --xpath 'metadata/versioning/latest/text()' - <<< "${xml_content}")
     if [[ -z "${latest}" ]]; then
         echo "The latest version of ${group_id}:${artifact_id} is empty."
         echo "The returned json from maven.org is invalid: ${json_content}"

.github/workflows/update_generation_config.yaml

@@ -18,7 +18,6 @@ on:
   schedule:
   - cron: '0 2 * * *'
   workflow_dispatch:
-
 jobs:
   update-generation-config:
     runs-on: ubuntu-24.04
@@ -30,14 +29,17 @@ jobs:
       with:
         fetch-depth: 0
         token: ${{ secrets.CLOUD_JAVA_BOT_TOKEN }}
+    - name: Install Dependencies
+      shell: bash
+      run: sudo apt-get update && sudo apt-get install -y libxml2-utils
     - name: Update params in generation config to latest
       shell: bash
       run: |
         set -x
         [ -z "$(git config user.email)" ] && git config --global user.email "[email protected]"
         [ -z "$(git config user.name)" ] && git config --global user.name "cloud-java-bot"
         bash .github/scripts/update_generation_config.sh \
-          --base_branch "${base_branch}"\
+          --base_branch "${base_branch}" \
           --repo ${{ github.repository }}
       env:
         GH_TOKEN: ${{ secrets.CLOUD_JAVA_BOT_TOKEN }}