releases: mutualize releases handling logic and move it to github class

Signed-off-by: CrazyMax <1951866+crazy-max@users.noreply.github.com>

src/docker/install.ts

@@ -22,16 +22,17 @@ import path from 'path';
 import retry from 'async-retry';
 import * as handlebars from 'handlebars';
 import * as core from '@actions/core';
-import * as httpm from '@actions/http-client';
 import * as io from '@actions/io';
 import * as tc from '@actions/tool-cache';
 
 import {Context} from '../context';
 import {Docker} from './docker';
+import {Exec} from '../exec';
+import {GitHub} from '../github';
 import {Regctl} from '../regclient/regctl';
 import {Undock} from '../undock/undock';
-import {Exec} from '../exec';
 import {Util} from '../util';
+
 import {limaYamlData, dockerServiceLogsPs1, setupDockerWinPs1} from './assets';
 
 import {GitHubRelease} from '../types/github';
@@ -694,18 +695,16 @@ EOF`,
   }
 
   public static async getRelease(version: string): Promise<GitHubRelease> {
-    const url = `https://raw.githubusercontent.com/docker/actions-toolkit/main/.github/docker-releases.json`;
-    const http: httpm.HttpClient = new httpm.HttpClient('docker-actions-toolkit');
-    const resp: httpm.HttpClientResponse = await http.get(url);
-    const body = await resp.readBody();
-    const statusCode = resp.message.statusCode || 500;
-    if (statusCode >= 400) {
-      throw new Error(`Failed to get Docker release ${version} from ${url} with status code ${statusCode}: ${body}`);
-    }
-    const releases = <Record<string, GitHubRelease>>JSON.parse(body);
+    const github = new GitHub();
+    const releases = await github.releases('Docker', {
+      owner: 'docker',
+      repo: 'actions-toolkit',
+      ref: 'main',
+      path: '.github/docker-releases.json'
+    });
     if (!releases[version]) {
       if (!releases['v' + version]) {
-        throw new Error(`Cannot find Docker release ${version} in ${url}`);
+        throw new Error(`Cannot find Docker release ${version} in releases JSON`);
       }
       return releases['v' + version];
     }