fix: install missing language pack for GraalVM (#3189)

Author: Sculas

Dockerfile

@@ -64,7 +64,7 @@ WORKDIR /data
 STOPSIGNAL SIGTERM
 
 # End user MUST set EULA and change RCON_PASSWORD
-ENV TYPE=VANILLA VERSION=LATEST EULA="" UID=1000 GID=1000
+ENV TYPE=VANILLA VERSION=LATEST EULA="" UID=1000 GID=1000 LC_ALL=en_US.UTF-8
 
 COPY --chmod=755 scripts/start* /
 COPY --chmod=755 bin/ /usr/local/bin/

build/ol/install-packages.sh

@@ -46,6 +46,7 @@ dnf install -y \
   libwebp \
   findutils \
   which \
+  glibc-langpack-en \
   ${EXTRA_DNF_PACKAGES}
 
 # Install Git LFS