fix workflow

Author: skarimo

.github/workflows/release.yml

@@ -49,8 +49,8 @@ jobs:
 
           declare -A versions
           for package in $CHANGED_PACKAGE_JSON_FILES; do
-            base_version=$(git show $BASE_SHA:$package/package.json | jq -r .version)
-            head_version=$(git show $HEAD_SHA:$package/package.json | jq -r .version)
+            base_version=$(git show $BASE_SHA:$package/pom.xml | grep -E '<version>.*</version>' | head -n 1 | sed -E 's/.*<version>(.*)<\/version>.*/\1/')
+            head_version=$(git show $HEAD_SHA:$package/pom.xml | grep -E '<version>.*</version>' | head -n 1 | sed -E 's/.*<version>(.*)<\/version>.*/\1/')
 
             if [ "$base_version" != "$head_version" ]; then
               versions[$package]=$head_version