Update github actions (#32)

Author: snorwin

.github/workflows/main.yml

@@ -4,6 +4,10 @@ on:
   push:
     branches: main
 
+permissions:
+  contents: read
+  packages: write
+
 jobs:
   image:
     runs-on: ubuntu-latest

.github/workflows/publish.yml

@@ -5,12 +5,16 @@ on:
     types:
       - published
 
+permissions:
+  contents: read
+  packages: write
+
 jobs:
   image:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        tag: [latest, alpine, 2.9, 2.9-alpine, 2.9.11, 2.9.11-alpine, 3.0-alpine, 3.0.5, 3.0.5-alpine]
+        tag: [latest, alpine, 3.0, 3.1, 3.1-alpine, 3.1.7, 3.1.7-alpine]
     steps:
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3

.github/workflows/test.yml

@@ -5,6 +5,10 @@ on:
     branches: [ main ]
   pull_request:
     branches: [ main ]
+    
+permissions:
+  contents: read
+  packages: write
 
 jobs:
   image: