feat(settings): 🔐 Add settings-githubServer flag

This maps to the maven-settings-action 'githubServer' flag.

closes #101

README.md

@@ -21,7 +21,7 @@ For default values you only need:
 
       - run: mvn -V ...
 ```
- 
+
 # Params mapping for sub actions
 
 ## checkout
@@ -64,7 +64,7 @@ So we can use for action:
 | params         | description                                              |
 |----------------|----------------------------------------------------------|
 | cache-enabled  | enable cache. Default true                               |
-| cache-path     | default cache path for Maven with value ~/.m2/repository | 
+| cache-path     | default cache path for Maven with value ~/.m2/repository |
 | cache-path-add | additional value for cache path                          |
 | cache-prefix   | prefix value for `key` and `restore-keys` cache params   |
 
@@ -85,6 +85,7 @@ So we can use for action:
 | settings-sonatypeSnapshots | sonatypeSnapshots |
 | settings-proxies           | proxies           |
 | settings-repositories      | repositories      |
+| settings-githubServer      | githubServer      |
 
 # Testing against different Maven versions
 

action.yml

@@ -110,6 +110,11 @@ inputs:
     description: 'repository settings definition in json array, e.g.: [ { "id": "repoId","name": "repoName","url": "url","snapshots": { "enabled": true } } ]'
     required: false
 
+  settings-githubServer:
+    description: 'add to settings.xml servers server-id: github; username=$GITHUB_ACTOR and password=$GITHUB_TOKEN'
+    default: "true"
+    required: false
+
 runs:
   using: 'composite'
 
@@ -160,3 +165,4 @@ runs:
         sonatypeSnapshots: '${{ inputs.settings-sonatypeSnapshots }}'
         proxies: '${{ inputs.settings-proxies }}'
         repositories: '${{ inputs.settings-repositories }}'
+        githubServer: '${{ inputs.settings-githubServer }}'