Update actions.

- Use Node.js 22.x for most jobs.
- Rename workflow extension to .yaml.

Author: davidlehn

.github/workflows/main.yml renamed to .github/workflows/main.yaml

@@ -8,7 +8,7 @@ jobs:
     timeout-minutes: 10
     strategy:
       matrix:
-        node-version: [20.x]
+        node-version: [22.x]
     steps:
     - uses: actions/checkout@v4
     - name: Use Node.js ${{ matrix.node-version }}
@@ -41,7 +41,7 @@ jobs:
     timeout-minutes: 10
     strategy:
       matrix:
-        node-version: [20.x]
+        node-version: [22.x]
         bundler: [webpack, browserify]
     steps:
     - uses: actions/checkout@v4
@@ -62,7 +62,7 @@ jobs:
     timeout-minutes: 10
     strategy:
       matrix:
-        node-version: [20.x]
+        node-version: [22.x]
     steps:
     - uses: actions/checkout@v4
     - name: Use Node.js ${{ matrix.node-version }}
@@ -78,7 +78,7 @@ jobs:
     timeout-minutes: 10
     strategy:
       matrix:
-        node-version: [20.x]
+        node-version: [22.x]
     steps:
     - uses: actions/checkout@v4
     - name: Use Node.js ${{ matrix.node-version }}

README.md

@@ -1,7 +1,7 @@
 jsonld.js
 =========
 
-[![Build status](https://img.shields.io/github/actions/workflow/status/digitalbazaar/jsonld.js/main.yml)](https://github.com/digitalbazaar/jsonld.js/actions/workflows/main.yml)
+[![Build status](https://img.shields.io/github/actions/workflow/status/digitalbazaar/jsonld.js/main.yaml)](https://github.com/digitalbazaar/jsonld.js/actions/workflows/main.yaml)
 [![Coverage status](https://img.shields.io/codecov/c/github/digitalbazaar/jsonld.js)](https://codecov.io/gh/digitalbazaar/jsonld.js)
 [![npm](https://img.shields.io/npm/v/jsonld)](https://npm.im/jsonld)