Update Dockerfile to use CrateDB version 5.8.4.

Dockerfile

@@ -19,15 +19,15 @@ RUN groupadd crate \
             x86_64)  echo x64_linux ;; \
             aarch64) echo aarch64_linux ;; \
         esac)" \
-    && export CRATE_URL=https://cdn.crate.io/downloads/releases/cratedb/${PLATFORM}/crate-5.8.3.tar.gz \
+    && export CRATE_URL=https://cdn.crate.io/downloads/releases/cratedb/${PLATFORM}/crate-5.8.4.tar.gz \
     && curl -fSL -O ${CRATE_URL} \
     && curl -fSL -O ${CRATE_URL}.asc \
     && export GNUPGHOME="$(mktemp -d)" \
     && gpg --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 90C23FC6585BC0717F8FBFC37FAAE51A06F6EAEB \
-    && gpg --batch --verify crate-5.8.3.tar.gz.asc crate-5.8.3.tar.gz \
-    && rm -rf "$GNUPGHOME" crate-5.8.3.tar.gz.asc \
-    && tar -xf crate-5.8.3.tar.gz -C /crate --strip-components=1 \
-    && rm crate-5.8.3.tar.gz
+    && gpg --batch --verify crate-5.8.4.tar.gz.asc crate-5.8.4.tar.gz \
+    && rm -rf "$GNUPGHOME" crate-5.8.4.tar.gz.asc \
+    && tar -xf crate-5.8.4.tar.gz -C /crate --strip-components=1 \
+    && rm crate-5.8.4.tar.gz
 
 # Install crash
 RUN curl -fSL -O https://cdn.crate.io/downloads/releases/crash_standalone_0.31.5 \
@@ -67,7 +67,7 @@ LABEL maintainer="Crate.io <[email protected]>" \
     org.opencontainers.image.url="https://crate.io/products/cratedb/" \
     org.opencontainers.image.source="https://github.com/crate/docker-crate" \
     org.opencontainers.image.vendor="Crate.io" \
-    org.opencontainers.image.version="5.8.3"
+    org.opencontainers.image.version="5.8.4"
 
 COPY docker-entrypoint.sh /