fix(act): use different LLVM versions

.forgejo/workflows/act_runtime.yaml

@@ -10,6 +10,9 @@ on:
       - ".forgejo/workflows/act_runtime.yaml"
       - "act_runtime/**"
 
+env:
+  LLVM_VERSIONS: '{"24.04": "19", "22.04": "15"}'
+
 jobs:
   build_images:
     strategy:
@@ -40,3 +43,4 @@ jobs:
           tags: code.icb4dc0.de/infrastructure/images/act_runtime:${{ matrix.base_tage }}
           build-args: |
             BASE_IMAGE=ubuntu:${{ matrix.base_tage }}
+            LLVM_VERSION=${{ fromJSON(env.LLVM_VERSIONS)[matrix.base_tage] }}

act_runtime/Dockerfile

@@ -9,9 +9,7 @@ ARG TARGETARCH
 RUN curl -fsSL https://deb.nodesource.com/setup_20.x | bash -
 
 # common tools
-RUN --mount=type=cache,target=/var/lib/cache \
-    --mount=type=cache,target=/var/cache/apt \
-    apt-get update && \
+RUN apt-get update && \
     apt-get install -y \
     lsb-release \
     sudo \
@@ -29,6 +27,7 @@ RUN --mount=type=cache,target=/var/lib/cache \
     nodejs \
     libgraphite2-3 \
     zstd && \
+    apt-get clean && \
     rm -rf /var/lib/apt/lists/* && \
     ln -s /usr/lib/llvm-${LLVM_VERSION}/bin/clang /usr/bin/clang && \
     ln -s -f /usr/lib/llvm-${LLVM_VERSION}/bin/llc /usr/bin/
@@ -37,15 +36,14 @@ ADD --chmod=444 https://cli.github.com/packages/githubcli-archive-keyring.gpg /e
 ADD --chmod=444 https://download.docker.com/linux/debian/gpg /etc/apt/keyrings/docker.asc
 
 # Docker and other tools
-RUN --mount=type=cache,target=/var/lib/cache \
-    --mount=type=cache,target=/var/cache/apt \
-    echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/githubcli-archive-keyring.gpg] https://cli.github.com/packages stable main" > /etc/apt/sources.list.d/github-cli.list && \
+RUN echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/githubcli-archive-keyring.gpg] https://cli.github.com/packages stable main" > /etc/apt/sources.list.d/github-cli.list && \
     echo \
     "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/ubuntu $(. /etc/os-release && echo "$VERSION_CODENAME") stable" > /etc/apt/sources.list.d/docker.list && \
     apt-get update && \
     apt-get install -y \
     gh \
     docker-ce-cli docker-buildx-plugin && \
+    apt-get clean && \
     rm -rf /var/lib/apt/lists/*
 
 # Rclone