ci: Fix release actions (#1748)

Fixes invalid ENV syntax in release actions resulting in failures as part of setup-ruby

https://github.com/open-telemetry/opentelemetry-ruby-contrib/actions/runs/18669417724/job/53227328007

Author: arielvalentin

.github/workflows/release-hook-on-closed.yml

@@ -15,13 +15,13 @@ jobs:
       issues: write # required to create issues for failed releases
     if: ${{ github.repository == 'open-telemetry/opentelemetry-ruby-contrib' }}
     env:
-      ruby-version: "3.2"
+      RUBY_VERSION: "3.2"
     runs-on: ubuntu-latest
     steps:
-      - name: Install Ruby ${{ env.ruby_version }}
+      - name: Install Ruby ${{ env.RUBY_VERSION }}
         uses: ruby/setup-ruby@v1.265.0
         with:
-          ruby-version: ${{ env.ruby_version }}
+          ruby-version: ${{ env.RUBY_VERSION }}
       - name: Checkout repo
         uses: actions/checkout@v5
       - name: Install Toys

.github/workflows/release-hook-on-push.yml

@@ -15,13 +15,13 @@ jobs:
       pull-requests: write # required for updating release PRs
     if: ${{ github.repository == 'open-telemetry/opentelemetry-ruby-contrib' }}
     env:
-      ruby-version: "3.2"
+      RUBY_VERSION: "3.2"
     runs-on: ubuntu-latest
     steps:
-      - name: Install Ruby ${{ env.ruby_version }}
+      - name: Install Ruby ${{ env.RUBY_VERSION }}
         uses: ruby/setup-ruby@v1.265.0
         with:
-          ruby-version: ${{ env.ruby_version }}
+          ruby-version: ${{ env.RUBY_VERSION }}
       - name: Checkout repo
         uses: actions/checkout@v5
       - name: Install Toys

.github/workflows/release-perform.yml

@@ -24,13 +24,13 @@ jobs:
       pull-requests: write # required for creating release PRs
     if: ${{ github.repository == 'open-telemetry/opentelemetry-ruby-contrib' }}
     env:
-      ruby-version: "3.2"
+      RUBY_VERSION: "3.2"
     runs-on: ubuntu-latest
     steps:
-      - name: Install Ruby ${{ env.ruby_version }}
+      - name: Install Ruby ${{ env.RUBY_VERSION }}
         uses: ruby/setup-ruby@v1.265.0
         with:
-          ruby-version: ${{ env.ruby_version }}
+          ruby-version: ${{ env.RUBY_VERSION }}
       - name: Checkout repo
         uses: actions/checkout@v5
       - name: Install Toys

.github/workflows/release-request-weekly.yml

@@ -14,13 +14,13 @@ jobs:
       pull-requests: write # required for creating release PRs
     if: ${{ github.repository == 'open-telemetry/opentelemetry-ruby-contrib' }}
     env:
-      ruby-version: "3.2"
+      RUBY_VERSION: "3.2"
     runs-on: ubuntu-latest
     steps:
-      - name: Install Ruby ${{ env.ruby_version }}
+      - name: Install Ruby ${{ env.RUBY_VERSION }}
         uses: ruby/setup-ruby@v1.265.0
         with:
-          ruby-version: ${{ env.ruby_version }}
+          ruby-version: ${{ env.RUBY_VERSION }}
 
       - name: Checkout repo
         uses: actions/checkout@v5

.github/workflows/release-request.yml

@@ -18,13 +18,13 @@ jobs:
       pull-requests: write # required for creating release PRs
     if: ${{ github.repository == 'open-telemetry/opentelemetry-ruby-contrib' }}
     env:
-      ruby-version: "3.2"
+      RUBY_VERSION: "3.2"
     runs-on: ubuntu-latest
     steps:
-      - name: Install Ruby ${{ env.ruby_version }}
+      - name: Install Ruby ${{ env.RUBY_VERSION }}
         uses: ruby/setup-ruby@v1.265.0
         with:
-          ruby-version: ${{ env.ruby_version }}
+          ruby-version: ${{ env.RUBY_VERSION }}
 
       - name: Checkout repo
         uses: actions/checkout@v5

.github/workflows/release-retry.yml

@@ -21,13 +21,13 @@ jobs:
       pull-requests: write # required for creating release PRs
     if: ${{ github.repository == 'open-telemetry/opentelemetry-ruby-contrib' }}
     env:
-      ruby-version: "3.2"
+      RUBY_VERSION: "3.2"
     runs-on: ubuntu-latest
     steps:
-      - name: Install Ruby ${{ env.ruby_version }}
+      - name: Install Ruby ${{ env.RUBY_VERSION }}
         uses: ruby/setup-ruby@v1.265.0
         with:
-          ruby-version: ${{ env.ruby_version }}
+          ruby-version: ${{ env.RUBY_VERSION }}
 
       - name: Checkout repo
         uses: actions/checkout@v5

instrumentation/ruby_kafka/example/docker-compose.yml

@@ -2,7 +2,7 @@ version: "3.5"
 
 services:
   app:
-    image: ruby:3.1-slim
+    image: ruby:3.2-slim
     volumes:
       - ../.:/app
     working_dir: /app/example