Upgrade sanitizer tests back to ubuntu 22

Our test images now have sanitizers that support githubs kernel update.

PiperOrigin-RevId: 650723051

.github/workflows/test_cpp.yml

@@ -19,9 +19,9 @@ jobs:
         config:
           - { name: Optimized, flags: --config=opt }
           - { name: Debug, flags: --config=dbg }
-          - { name: ASAN, flags: --config=asan, runner: ubuntu-20-4core }
-          - { name: MSAN, flags: --config=docker-msan, runner: ubuntu-20-4core }
-          - { name: TSAN, flags: --config=tsan, runner: ubuntu-20-4core }
+          - { name: ASAN, flags: --config=asan, runner: ubuntu-22-4core }
+          - { name: MSAN, flags: --config=docker-msan, runner: ubuntu-22-4core }
+          - { name: TSAN, flags: --config=tsan, runner: ubuntu-22-4core }
           - { name: UBSAN, flags: --config=ubsan }
           - { name: No-RTTI, flags: --cxxopt=-fno-rtti }
         include:

.github/workflows/test_upb.yml

@@ -20,7 +20,7 @@ jobs:
           - { name: "Bazel 7", bazel_version: "7.1.1" }
           - { name: "Fastbuild" }
           - { name: "Optimized", flags: "-c opt" }
-          - { name: "ASAN", flags: "--config=asan -c dbg", exclude-targets: "-//benchmarks:benchmark -//python/...", runner: ubuntu-20-4core }
+          - { name: "ASAN", flags: "--config=asan -c dbg", exclude-targets: "-//benchmarks:benchmark -//python/...", runner: ubuntu-22-4core }
           - { name: "UBSAN", flags: "--config=ubsan -c dbg", exclude-targets: "-//benchmarks:benchmark -//python/... -//lua/..." }
           - { name: "32-bit", flags: "--copt=-m32 --linkopt=-m32", exclude-targets: "-//benchmarks:benchmark -//python/..." }
           # TODO: Add 32-bit ASAN test