Simplify and rename action

Author: maneatingape

.github/workflows/scala.yml renamed to .github/workflows/tests.yml

@@ -1,23 +1,19 @@
-name: Scala CI
+name: Tests
 
 on:
   push:
-    branches: [ main ]
+    branches: main
   pull_request:
-    branches: [ main ]
+    branches: main
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
-
     steps:
     - uses: actions/checkout@v3
-    - name: Set up JDK 17
-      uses: actions/setup-java@v3
+    - uses: actions/setup-java@v3
       with:
         java-version: '17'
         distribution: 'corretto'
         cache: 'sbt'
-    - name: Run tests
-      run: sbt test
+    - run: sbt test

README.md

@@ -1,8 +1,8 @@
-# Advent of Code [![Scala CI](https://github.com/maneatingape/advent-of-code/actions/workflows/scala.yml/badge.svg)](https://github.com/maneatingape/advent-of-code/actions)
+# Advent of Code [![tests](https://github.com/maneatingape/advent-of-code/actions/workflows/tests.yml/badge.svg)](https://github.com/maneatingape/advent-of-code/actions)
 
 Complete 2022 to 2015 entries for the annual [Advent of Code](https://adventofcode.com/) challenge, written in concise idiomatic functional Scala.
 
-The coding style philosophy is [Readability](https://www.lihaoyi.com/post/StrategicScalaStylePrincipleofLeastPower.html) > [Simplicity](https://en.wikipedia.org/wiki/KISS_principle) > [Performance](https://www.laws-of-software.com/laws/knuth/).
+## Features
 
 As far as possible, each day's solution embraces the following approaches:
 * Self-contained within a single file, depending only on the standard Scala library.