ci(release): fix conflicting features in release

runtime and static features were both enabled, causing build failures
during release.

Refs: #512

Author: Xenira

.release-plz.toml

@@ -1,6 +1,5 @@
 [workspace]
 release_always = false
-publish_all_features = true
 git_release_body = """
 {{ changelog }}
 {% if remote.contributors %}
@@ -11,6 +10,10 @@ git_release_body = """
 {% endif %}
 """
 
+[[package]]
+name = "ext-php-rs"
+publish_features = ["enum", "runtime", "closure", "embed", "anyhow"]
+
 [changelog]
 header = "# Changelog"
 body = """