[build] Trim down Dockerfile

Remove the unnecessary packages and the ones that are already installed
as part of dependencies and meta-packages.

Also compile whatever we explicitly link against.

.github/actions/muslbuilder/Dockerfile

@@ -6,36 +6,13 @@ LABEL com.github.actions.icon="settings"
 LABEL com.github.actions.color="orange"
 
 RUN apk update && apk add --no-cache \
+    autoconf \
+    automake \
     build-base \
-    binutils \
     curl \
-    m4 \
     git \
-    make \
-    libgcc \
-    musl-dev \
-    gcc \
-    g++ \
-    lz4 \
-    lz4-dev \
-    lz4-static \
-    zip \
-    zstd \
-    zstd-dev \
-    zstd-static \
-    perl \
-    autoconf \
-    automake \
-    elfutils \
-    elfutils-dev \
-    libelf-static \
     libexecinfo-dev \
-    libexecinfo-static \
-    libtool \
-    libunwind \
-    libunwind-dev \
-    libunwind-static \
-    linux-headers
+    libexecinfo-static
 
 
 RUN mkdir -p /fake.root /extract
@@ -78,6 +55,16 @@ RUN curl -sSL https://sourceware.org/pub/bzip2/bzip2-1.0.8.tar.gz | tar xvzC /ex
     make install PREFIX=/fake.root && \
     cd /extract && rm -rf *
 
+RUN curl -sSL https://github.com/lz4/lz4/archive/refs/tags/v1.9.4.tar.gz | tar xvzC /extract/ && \
+    cd /extract/lz4* && \
+    make install PREFIX=/fake.root && \
+    cd /extract && rm -rf *
+
+RUN curl -sSL https://github.com/facebook/zstd/releases/download/v1.5.5/zstd-1.5.5.tar.gz | tar xvzC /extract/ && \
+    cd /extract/zstd* && \
+    make install PREFIX=/fake.root && \
+    cd /extract && rm -rf *
+
 RUN curl -sSL https://zlib.net/zlib-1.2.13.tar.gz | tar xvzC /extract/ && \
     cd /extract/zlib-* && ./configure --prefix=/fake.root && \
     make -j2 && \