Bring workflows into compliance with the GitHub Actions standard

Pin runner images (ubuntu-24.04, windows-2025, macos-15) and set cancel-in-progress: false on the release workflow so publishing runs queue instead of aborting mid-write.

Fixes #29

Author: MariusStorhaug

.github/workflows/Action-Test.yml

@@ -23,7 +23,7 @@ jobs:
   ActionTestBasic:
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest, macos-latest]
+        os: [ubuntu-24.04, windows-2025, macos-15]
     name: Action-Test - [Basic]
     runs-on: ${{ matrix.os }}
     steps:

.github/workflows/Linter.yml

@@ -16,7 +16,7 @@ permissions:
 jobs:
   Lint:
     name: Lint code base
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout repo
         uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0

.github/workflows/Release.yml

@@ -18,15 +18,15 @@ on:
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
+  cancel-in-progress: false
 
 permissions:
   contents: write # Required to create releases
   pull-requests: write # Required to create comments on the PRs
 
 jobs:
   Release:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-24.04
     steps:
       - name: Checkout repo
         uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0