feat!: remove Ruby 3.1 because it's EOL

Author: timbru31

.github/workflows/buildx.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby-version: [3.1, 3.2, 3.3, 3.4]
+        ruby-version: [3.2, 3.3, 3.4]
         node-version: [18, 20, 22]
         variant: [default, slim, alpine]
         include:

.github/workflows/dockerimage.yml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby-version: [3.1, 3.2, 3.3, 3.4]
+        ruby-version: [3.2, 3.3, 3.4]
         node-version: [18, 20, 22]
         variant: [default, slim, alpine]
 

.github/workflows/hadolint.yml

@@ -15,5 +15,5 @@ jobs:
       - run: brew install hadolint
 
       - run: |
-          hadolint {3.1,3.2,3.3,3.4}/**/*Dockerfile
-          hadolint {3.1,3.2,3.3,3.4}/**/**/*Dockerfile
+          hadolint {3.2,3.3,3.4}/**/*Dockerfile
+          hadolint {3.2,3.3,3.4}/**/**/*Dockerfile