fix(ci): use master Docker image for v2.5 branch only

Docker images like `thirdparties-bin-test-ubuntu2204-v2.5` don't exist
for release branches, causing CI startup failures.

This change uses GitHub Actions conditional expressions to use master
branch images only for v2.5 PRs, while other branches use their own
branch-specific images.

Changes:
- Updated image tags with conditional: `${{ github.base_ref == 'v2.5' && 'master' || github.base_ref }}`
- Affected jobs: Tidy, IWYU, Build/Test Release, ASAN, jemalloc, Rockylinux9
- Restored clang-tidy to compare against origin/base_ref

Notes:
- master, ci-test, *dev branches continue using their own images
- Only v2.5 (and future release branches without images) use master fallback

Author: 鲁鹏帆

.github/workflows/lint_and_test_cpp.yaml

@@ -15,6 +15,9 @@
 # specific language governing permissions and limitations
 # under the License.
 
+# NOTE: Docker images use 'master' branch tag for release branches (e.g., v2.5)
+# that may not have prebuilt Docker images. Other branches use their own images.
+
 name: Cpp CI
 
 on:
@@ -64,7 +67,8 @@ jobs:
       USE_JEMALLOC: OFF
       ENABLE_ASAN: OFF
     container:
-      image: apache/pegasus:thirdparties-bin-ubuntu2204-${{ github.base_ref }}
+      # Use master image for v2.5 branch (which lacks prebuilt images), others use their own
+      image: apache/pegasus:thirdparties-bin-ubuntu2204-${{ github.base_ref == 'v2.5' && 'master' || github.base_ref }}
     steps:
       - name: Install Softwares
         run: |
@@ -91,7 +95,8 @@ jobs:
       USE_JEMALLOC: OFF
       ENABLE_ASAN: OFF
     container:
-      image: apache/pegasus:thirdparties-bin-ubuntu2204-${{ github.base_ref }}
+      # Use master image for v2.5 branch (which lacks prebuilt images), others use their own
+      image: apache/pegasus:thirdparties-bin-ubuntu2204-${{ github.base_ref == 'v2.5' && 'master' || github.base_ref }}
     steps:
       - uses: actions/checkout@v4
       - name: Free Disk Space (Ubuntu)
@@ -123,7 +128,8 @@ jobs:
       ARTIFACT_NAME: release
       BUILD_OPTIONS: -t release --test
     container:
-      image: apache/pegasus:thirdparties-bin-test-ubuntu2204-${{ github.base_ref }}
+      # Use master image for v2.5 branch (which lacks prebuilt images), others use their own
+      image: apache/pegasus:thirdparties-bin-test-ubuntu2204-${{ github.base_ref == 'v2.5' && 'master' || github.base_ref }}
     steps:
       - name: Clone code
         uses: actions/checkout@v4
@@ -193,7 +199,8 @@ jobs:
     env:
       ARTIFACT_NAME: release
     container:
-      image: apache/pegasus:thirdparties-bin-test-ubuntu2204-${{ github.base_ref }}
+      # Use master image for v2.5 branch (which lacks prebuilt images), others use their own
+      image: apache/pegasus:thirdparties-bin-test-ubuntu2204-${{ github.base_ref == 'v2.5' && 'master' || github.base_ref }}
       options: --cap-add=SYS_PTRACE
     steps:
       - uses: actions/checkout@v4
@@ -213,7 +220,8 @@ jobs:
       ARTIFACT_NAME: release_address
       BUILD_OPTIONS: --sanitizer address --disable_gperf --test
     container:
-      image: apache/pegasus:thirdparties-bin-test-asan-ubuntu2204-${{ github.base_ref }}
+      # Use master image for v2.5 branch (which lacks prebuilt images), others use their own
+      image: apache/pegasus:thirdparties-bin-test-asan-ubuntu2204-${{ github.base_ref == 'v2.5' && 'master' || github.base_ref }}
     steps:
       - uses: actions/checkout@v4
       - name: Rebuild thirdparty if needed
@@ -284,7 +292,8 @@ jobs:
     env:
       ARTIFACT_NAME: release_address
     container:
-      image: apache/pegasus:thirdparties-bin-test-asan-ubuntu2204-${{ github.base_ref }}
+      # Use master image for v2.5 branch (which lacks prebuilt images), others use their own
+      image: apache/pegasus:thirdparties-bin-test-asan-ubuntu2204-${{ github.base_ref == 'v2.5' && 'master' || github.base_ref }}
       options: --cap-add=SYS_PTRACE
     steps:
       - uses: actions/checkout@v4
@@ -394,7 +403,8 @@ jobs:
       ARTIFACT_NAME: release_jemalloc
       BUILD_OPTIONS: -t release --use_jemalloc --test
     container:
-      image: apache/pegasus:thirdparties-bin-test-jemallc-ubuntu2204-${{ github.base_ref }}
+      # Use master image for v2.5 branch (which lacks prebuilt images), others use their own
+      image: apache/pegasus:thirdparties-bin-test-jemallc-ubuntu2204-${{ github.base_ref == 'v2.5' && 'master' || github.base_ref }}
     steps:
       - uses: actions/checkout@v4
       - name: Rebuild thirdparty if needed
@@ -417,7 +427,8 @@ jobs:
     env:
       ARTIFACT_NAME: release_jemalloc
     container:
-      image: apache/pegasus:thirdparties-bin-test-jemallc-ubuntu2204-${{ github.base_ref }}
+      # Use master image for v2.5 branch (which lacks prebuilt images), others use their own
+      image: apache/pegasus:thirdparties-bin-test-jemallc-ubuntu2204-${{ github.base_ref == 'v2.5' && 'master' || github.base_ref }}
       options: --cap-add=SYS_PTRACE
     steps:
       - uses: actions/checkout@v4
@@ -472,7 +483,8 @@ jobs:
       BUILD_OPTIONS: -t debug --test --separate_servers
       PACK_OPTIONS: --separate_servers
     container:
-      image: apache/pegasus:thirdparties-bin-rockylinux9-${{ github.base_ref }}
+      # Use master image for v2.5 branch (which lacks prebuilt images), others use their own
+      image: apache/pegasus:thirdparties-bin-rockylinux9-${{ github.base_ref == 'v2.5' && 'master' || github.base_ref }}
     steps:
       - name: Clone code
         uses: actions/checkout@v3