refactor: Replace pull_releases function with iterator generator

Although the types are different, the intent is the same, so I think the
name is fitting.

src/main.ts

@@ -12,8 +12,8 @@ import {
 import { NextflowRelease } from "./nextflow-release"
 import {
   pull_latest_stable_release,
-  setup_octokit,
-  release_iter
+  pull_releases,
+  setup_octokit
 } from "./octokit-wrapper"
 
 async function run(): Promise<void> {
@@ -43,7 +43,7 @@ async function run(): Promise<void> {
     if (version === "latest" || version === "latest-stable") {
       release = await pull_latest_stable_release(octokit)
     } else {
-      const release_iterator = release_iter(octokit)
+      const release_iterator = pull_releases(octokit)
       release = await get_nextflow_release(version, release_iterator)
     }
     resolved_version = release.versionNumber

src/octokit-wrapper.ts

@@ -51,7 +51,7 @@ export async function setup_octokit(
   return octokit
 }
 
-export async function* release_iter(
+export async function* pull_releases(
   octokit: InstanceType<typeof GitHub>
 ): AsyncGenerator<NextflowRelease> {
   const iterator = octokit.paginate.iterator(
@@ -77,23 +77,6 @@ export async function* release_iter(
   }
 }
 
-export async function pull_releases(
-  ok: InstanceType<typeof GitHub>
-): Promise<NextflowRelease[]> {
-  return await ok.paginate(
-    ok.rest.repos.listReleases,
-    NEXTFLOW_REPO,
-    response => {
-      const all_releases: NextflowRelease[] = []
-      const releases_data = response.data
-      for (const release_data of releases_data) {
-        all_releases.push(nextflow_release(release_data))
-      }
-      return all_releases
-    }
-  )
-}
-
 export async function pull_latest_stable_release(
   ok: InstanceType<typeof GitHub>
 ): Promise<NextflowRelease> {