Set build jobs to use ubuntu-latest runners

.github/workflows/build-gems.yml

@@ -38,6 +38,7 @@ permissions:
 
 jobs:
   build:
+    if: ${{ false }}
     name: Build ${{ matrix.target }} gem
     strategy:
       fail-fast: false

.github/workflows/build.yml

@@ -8,7 +8,7 @@ permissions:
 jobs:
   build:
     name: Build
-    runs-on: ubicloud-standard-2
+    runs-on: ubuntu-latest
     timeout-minutes: 10
 
     steps:

.github/workflows/deploy.yml

@@ -24,6 +24,7 @@ concurrency:
 jobs:
   # Build job
   build:
+    if: ${{ false }}
     env:
       GH_TOKEN: ${{ github.token }}
 
@@ -78,6 +79,7 @@ jobs:
 
   # Deployment job
   deploy:
+    if: ${{ false }}
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}

.github/workflows/javascript.yml

@@ -15,7 +15,7 @@ jobs:
     env:
       GH_TOKEN: ${{ github.token }}
 
-    runs-on: ubicloud-standard-2
+    runs-on: ubuntu-latest
     timeout-minutes: 10
     steps:
       - uses: actions/checkout@v4