Adding graph ql for Helm versions (#21)

* Adding graphql query to fetch latest helm release of specified type

* Updating typescript version and js file

* Fixing PR comments in release

* Adding feature flag as environment variable in release

* Changing feature flag name

* Updating files as per latest changes in master after resolving merge conflicts

* Removing non prod modules

node_modules/@octokit/endpoint/dist-src/util/add-query-parameters.js

@@ -0,0 +1,17 @@
+export function addQueryParameters(url, parameters) {
+    const separator = /\?/.test(url) ? "&" : "?";
+    const names = Object.keys(parameters);
+    if (names.length === 0) {
+        return url;
+    }
+    return (url +
+        separator +
+        names
+            .map((name) => {
+            if (name === "q") {
+                return ("q=" + parameters.q.split("+").map(encodeURIComponent).join("+"));
+            }
+            return `${name}=${encodeURIComponent(parameters[name])}`;
+        })
+            .join("&"));
+}