Migrate GitHub Actions to Blacksmith runners

- Replace GitHub-hosted ubuntu runners with Blacksmith equivalents
- Remove unused/deprecated workflow files where applicable
- Use blacksmith-4vcpu-ubuntu-2404 for builds and tests
- Use blacksmith-2vcpu-ubuntu-2404 for lightweight jobs

Author: jai-deepsource

.github/workflows/check-dist.yml

@@ -19,7 +19,7 @@ on:
 
 jobs:
   check-dist:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
 
     steps:
       - uses: actions/checkout@v2

.github/workflows/close-inactive-issues.yml

@@ -5,7 +5,7 @@ on:
 
 jobs:
   close-issues:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     permissions:
       issues: write
       pull-requests: write

.github/workflows/codeql.yml

@@ -10,7 +10,7 @@ jobs:
   CodeQL-Build:
 
     # CodeQL runs on ubuntu-latest and windows-latest
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
 
     steps:
     - name: Checkout repository

.github/workflows/licensed.yml

@@ -10,7 +10,7 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     name: Check licenses
     steps:
       - uses: actions/checkout@v2

.github/workflows/workflow.yml

@@ -19,7 +19,7 @@ jobs:
   build:
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest, macOS-latest]
+        os: [blacksmith-4vcpu-ubuntu-2404, windows-latest, macOS-latest]
       fail-fast: false
     runs-on: ${{ matrix.os }}
     steps:
@@ -52,7 +52,7 @@ jobs:
   test-save:
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest, macOS-latest]
+        os: [blacksmith-4vcpu-ubuntu-2404, windows-latest, macOS-latest]
       fail-fast: false
     runs-on: ${{ matrix.os }}
     steps:
@@ -75,7 +75,7 @@ jobs:
     needs: test-save
     strategy:
       matrix:
-        os: [ubuntu-latest, windows-latest, macOS-latest]
+        os: [blacksmith-4vcpu-ubuntu-2404, windows-latest, macOS-latest]
       fail-fast: false
     runs-on: ${{ matrix.os }}
     steps:
@@ -97,7 +97,7 @@ jobs:
 
   # End to end with proxy
   test-proxy-save:
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     container:
       image: ubuntu:latest
       options: --dns 127.0.0.1
@@ -120,7 +120,7 @@ jobs:
         path: test-cache
   test-proxy-restore:
     needs: test-proxy-save
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     container:
       image: ubuntu:latest
       options: --dns 127.0.0.1