GitHub Actions: Fixed handling of the multiline changelog

.github/workflows/build.yml

@@ -64,14 +64,14 @@ jobs:
           VERSION="$(echo "$PROPERTIES" | grep "^version:" | cut -f2- -d ' ')"
           NAME="$(echo "$PROPERTIES" | grep "^pluginName:" | cut -f2- -d ' ')"
           CHANGELOG="$(./gradlew getChangelog --unreleased --no-header --console=plain -q)"
-          CHANGELOG="${CHANGELOG//'%'/'%25'}"
-          CHANGELOG="${CHANGELOG//$'\n'/'%0A'}"
-          CHANGELOG="${CHANGELOG//$'\r'/'%0D'}"
 
           echo "version=$VERSION" >> $GITHUB_OUTPUT
           echo "name=$NAME" >> $GITHUB_OUTPUT
-          echo "changelog=$CHANGELOG" >> $GITHUB_OUTPUT
           echo "pluginVerifierHomeDir=~/.pluginVerifier" >> $GITHUB_OUTPUT
+          
+          echo "changelog<<EOF" >> $GITHUB_OUTPUT
+          echo "$CHANGELOG" >> $GITHUB_OUTPUT
+          echo "EOF" >> $GITHUB_OUTPUT
 
           ./gradlew listProductsReleases # prepare list of IDEs for Plugin Verifier