tests: improve testing (#80)

* chore: setup mini.test

* chore(ci): setup new test runner, install plugin deps

* chore(ci): test only on stable and nightly releases

* test: iferr

* test: struct_tags

* test: impl

* test: gotests

.github/workflows/linters.yml

@@ -1,5 +1,11 @@
 name: linters
-on: [push, pull_request]
+
+on:
+  push:
+    branches:
+    - main
+    - develop
+  pull_request:
 
 jobs:
   linters: