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/backward-compatibility.yml

@@ -15,7 +15,7 @@ jobs:
   backward-compatibility:
     name: "Backward Compatibility"
 
-    runs-on: "ubuntu-latest"
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     timeout-minutes: 30
 
     steps:

.github/workflows/build.yml

@@ -14,7 +14,7 @@ env:
 jobs:
   lint:
     name: "Lint"
-    runs-on: "ubuntu-latest"
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     if: ${{ false }}
 
     strategy:
@@ -52,7 +52,7 @@ jobs:
   coding-standards:
     name: "Coding Standard"
 
-    runs-on: "ubuntu-latest"
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     if: ${{ false }}
 
     strategy:
@@ -85,7 +85,7 @@ jobs:
   dependency-analysis:
     name: "Dependency Analysis"
 
-    runs-on: "ubuntu-latest"
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     if: ${{ false }}
 
     strategy:
@@ -195,7 +195,7 @@ jobs:
   tests-code-coverage:
     name: "Tests with code coverage"
 
-    runs-on: "ubuntu-latest"
+    runs-on: blacksmith-4vcpu-ubuntu-2404
 
     steps:
       - name: "Checkout"
@@ -280,7 +280,7 @@ jobs:
     name: "PHPStan with result cache"
     if: ${{ false }}
 
-    runs-on: ubuntu-latest
+    runs-on: blacksmith-4vcpu-ubuntu-2404
 
     strategy:
       matrix:
@@ -357,7 +357,7 @@ jobs:
     name: "Compiler Tests"
     if: ${{ false }}
 
-    runs-on: "ubuntu-latest"
+    runs-on: blacksmith-4vcpu-ubuntu-2404
 
     steps:
       - name: "Checkout"
@@ -388,7 +388,7 @@ jobs:
     name: "Generate baseline"
     if: ${{ false }}
 
-    runs-on: "ubuntu-latest"
+    runs-on: blacksmith-4vcpu-ubuntu-2404
 
     strategy:
       matrix:
@@ -416,7 +416,7 @@ jobs:
 
   e2e-tests:
     name: "E2E tests"
-    runs-on: "ubuntu-latest"
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     if: ${{ false }}
 
     strategy:

.github/workflows/compiler-tests.yml

@@ -15,7 +15,7 @@ jobs:
   compiler-tests:
     name: "Compiler Tests"
 
-    runs-on: "ubuntu-latest"
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     timeout-minutes: 30
 
     steps:

.github/workflows/e2e-tests.yml

@@ -46,7 +46,7 @@ jobs:
 
   e2e-tests:
     name: "E2E tests"
-    runs-on: "ubuntu-latest"
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     timeout-minutes: 30
 
     strategy:

.github/workflows/lint.yml

@@ -14,7 +14,7 @@ env:
 jobs:
   lint:
     name: "Lint"
-    runs-on: "ubuntu-latest"
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     timeout-minutes: 30
 
     strategy:
@@ -53,7 +53,7 @@ jobs:
   coding-standards:
     name: "Coding Standard"
 
-    runs-on: "ubuntu-latest"
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     timeout-minutes: 30
 
     strategy:
@@ -86,7 +86,7 @@ jobs:
   dependency-analysis:
     name: "Dependency Analysis"
 
-    runs-on: "ubuntu-latest"
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     timeout-minutes: 30
 
     strategy:

.github/workflows/phar-old.yml

@@ -12,7 +12,7 @@ concurrency: phar
 jobs:
   compile:
     name: "Compile PHAR"
-    runs-on: "ubuntu-latest"
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     timeout-minutes: 30
 
     steps:

.github/workflows/phar.yml

@@ -14,7 +14,7 @@ concurrency: phar
 jobs:
   compile:
     name: "Compile PHAR"
-    runs-on: "ubuntu-latest"
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     timeout-minutes: 30
 
     steps:

.github/workflows/static-analysis.yml

@@ -60,7 +60,7 @@ jobs:
   static-analysis-with-result-cache:
     name: "PHPStan with result cache"
 
-    runs-on: "ubuntu-latest"
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     timeout-minutes: 30
 
     strategy:
@@ -106,7 +106,7 @@ jobs:
   generate-baseline:
     name: "Generate baseline"
 
-    runs-on: "ubuntu-latest"
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     timeout-minutes: 30
 
     strategy:

.github/workflows/tests.yml

@@ -98,7 +98,7 @@ jobs:
   tests-code-coverage:
     name: "Tests with code coverage"
 
-    runs-on: "ubuntu-latest"
+    runs-on: blacksmith-4vcpu-ubuntu-2404
     timeout-minutes: 30
 
     steps: