Update to ruby 3.4 (#94)

Author: kwerle

Dockerfile

@@ -2,14 +2,14 @@
 #
 # For development:
 # docker run -it -v $PWD:/project -v $PWD:/tmp/src -w /tmp/src ruby_language_server sh -c 'bundle && guard'
-FROM ruby:3.3-alpine
+FROM ruby:3.4-alpine
 LABEL maintainer="kurt@CircleW.org"
 
 RUN gem update bundler
 
 # Needed for byebug and some other gems
 RUN apk update
-RUN apk add curl make g++ sqlite-dev
+RUN apk add curl make g++ sqlite-dev yaml-dev
 
 WORKDIR /usr/local/src
 RUN curl -O -L https://github.com/mateusza/SQLite-Levenshtein/archive/master.zip
@@ -19,6 +19,7 @@ RUN ./configure
 RUN make -j 8 install
 
 WORKDIR /app
+RUN rm -rf /usr/local/src
 
 # We expect the target project to be mounted here:
 ENV RUBY_LANGUAGE_SERVER_PROJECT_ROOT=/project/