tests,util-docker,github: Add Ubuntu 24.04 Docker image & updated tests/actions to use it (#1018)

This ensures gem5 compiles and runs in 24.04 environments. A necessary
PR, for ensuring gem5 support Ubuntu 24.04 (related issue: #909)

.github/workflows/daily-tests.yaml

@@ -46,7 +46,7 @@ jobs:
                       isa-option: 'NULL'
         runs-on: [self-hosted, linux, x64]
         needs: name-artifacts
-        container: ghcr.io/gem5/ubuntu-22.04_all-dependencies:latest
+        container: ghcr.io/gem5/ubuntu-24.04_all-dependencies:latest
         steps:
             - uses: actions/checkout@v4
               with:
@@ -74,7 +74,7 @@ jobs:
             matrix:
                 type: [fast, debug]
         runs-on: [self-hosted, linux, x64]
-        container: ghcr.io/gem5/ubuntu-22.04_all-dependencies:latest
+        container: ghcr.io/gem5/ubuntu-24.04_all-dependencies:latest
         timeout-minutes: 60
         steps:
             - uses: actions/checkout@v4
@@ -93,7 +93,7 @@ jobs:
                 test-type: [arm_boot_tests, fs, gpu, insttest_se, learning_gem5, m5threads_test_atomic, memory, multi_isa, replacement_policies, riscv_boot_tests,
                     stdlib, x86_boot_tests]
         runs-on: [self-hosted, linux, x64]
-        container: ghcr.io/gem5/ubuntu-22.04_all-dependencies:latest
+        container: ghcr.io/gem5/ubuntu-24.04_all-dependencies:latest
         needs: [name-artifacts, build-gem5]
         timeout-minutes: 1440 # 24 hours for entire matrix to run
         steps:
@@ -182,7 +182,7 @@ jobs:
             matrix:
                 test-type: [gem5-library-example-x86-ubuntu-run-ALL-x86_64-opt, gem5-library-example-riscv-ubuntu-run-ALL-x86_64-opt, lupv-example-ALL-x86_64-opt,
                     gem5-library-example-arm-ubuntu-run-test-ALL-x86_64-opt, gem5-library-example-riscvmatched-hello-ALL-x86_64-opt]
-        container: ghcr.io/gem5/ubuntu-22.04_all-dependencies:latest
+        container: ghcr.io/gem5/ubuntu-24.04_all-dependencies:latest
         needs: [name-artifacts, build-gem5]
         timeout-minutes: 1440 # 24 hours
         steps: