Set main as the default branch (#527)

* set main as the default branch

* revert change to tool-cache default branch

* use versions where applicable

__tests__/github.proxy.test.ts

@@ -52,9 +52,9 @@ describe('@actions/github', () => {
     const branch = await octokit.repos.getBranch({
       owner: 'actions',
       repo: 'toolkit',
-      branch: 'master'
+      branch: 'main'
     })
-    expect(branch.data.name).toBe('master')
+    expect(branch.data.name).toBe('main')
     expect(proxyConnects).toEqual(['api.github.com:443'])
   })
 
@@ -88,9 +88,9 @@ describe('@actions/github', () => {
     const branch = await octokit.repos.getBranch({
       owner: 'actions',
       repo: 'toolkit',
-      branch: 'master'
+      branch: 'main'
     })
-    expect(branch.data.name).toBe('master')
+    expect(branch.data.name).toBe('main')
     expect(proxyConnects).toHaveLength(0)
   })
 

__tests__/github.test.ts

@@ -48,9 +48,9 @@ describe('@actions/github', () => {
     const branch = await octokit.repos.getBranch({
       owner: 'actions',
       repo: 'toolkit',
-      branch: 'master'
+      branch: 'main'
     })
-    expect(branch.data.name).toBe('master')
+    expect(branch.data.name).toBe('main')
     expect(proxyConnects).toHaveLength(0)
   })
 
@@ -63,9 +63,9 @@ describe('@actions/github', () => {
     const branch = await octokit.repos.getBranch({
       owner: 'actions',
       repo: 'toolkit',
-      branch: 'master'
+      branch: 'main'
     })
-    expect(branch.data.name).toBe('master')
+    expect(branch.data.name).toBe('main')
     expect(proxyConnects).toHaveLength(0)
   })
 
@@ -80,9 +80,9 @@ describe('@actions/github', () => {
     const branch = await octokit.repos.getBranch({
       owner: 'actions',
       repo: 'toolkit',
-      branch: 'master'
+      branch: 'main'
     })
-    expect(branch.data.name).toBe('master')
+    expect(branch.data.name).toBe('main')
     expect(proxyConnects).toHaveLength(0)
 
     // Invalid token
@@ -92,7 +92,7 @@ describe('@actions/github', () => {
       await octokit.repos.getBranch({
         owner: 'actions',
         repo: 'toolkit',
-        branch: 'master'
+        branch: 'main'
       })
     } catch (err) {
       failed = true

package.json

@@ -6,7 +6,7 @@
     "github",
     "actions"
   ],
-  "homepage": "https://github.com/actions/toolkit/tree/master/packages/github",
+  "homepage": "https://github.com/actions/toolkit/tree/main/packages/github",
   "license": "MIT",
   "main": "lib/github.js",
   "types": "lib/github.d.ts",

src/context.ts

@@ -1,4 +1,4 @@
-// Originally pulled from https://github.com/JasonEtco/actions-toolkit/blob/master/src/context.ts
+// Originally pulled from https://github.com/JasonEtco/actions-toolkit/blob/main/src/context.ts
 import {WebhookPayload} from './interfaces'
 import {readFileSync, existsSync} from 'fs'
 import {EOL} from 'os'