github: add gcc-12, clang-13, and clang-14 jobs

These new compilers are provided by the latest version of the OS
currently available in ci, which apparently is not ubuntu-latest yet.

Author: ldv-alt

.github/workflows/ci.yml

@@ -10,6 +10,20 @@ jobs:
     - name: check
       run: git diff-index --check --cached 4b825dc642cb6eb9a060e54bf8d69288fbee4904
 
+  gcc12-x86_64:
+    runs-on: ubuntu-22.04
+    env:
+      CC: gcc-12
+      TARGET: x86_64
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+    - name: install dependencies
+      run: ci/install-dependencies.sh
+    - name: build check
+      run: ci/run-build-and-tests.sh
+
   gcc11-x86_64:
     runs-on: ubuntu-20.04
     env:
@@ -66,6 +80,34 @@ jobs:
     - name: build check
       run: ci/run-build-and-tests.sh
 
+  clang14-x86_64:
+    runs-on: ubuntu-22.04
+    env:
+      CC: clang-14
+      TARGET: x86_64
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+    - name: install dependencies
+      run: ci/install-dependencies.sh
+    - name: build check
+      run: ci/run-build-and-tests.sh
+
+  clang13-x86_64:
+    runs-on: ubuntu-22.04
+    env:
+      CC: clang-13
+      TARGET: x86_64
+    steps:
+    - uses: actions/checkout@v2
+      with:
+        fetch-depth: 0
+    - name: install dependencies
+      run: ci/install-dependencies.sh
+    - name: build check
+      run: ci/run-build-and-tests.sh
+
   clang12-x86_64:
     runs-on: ubuntu-20.04
     env: