fix yarn version to 4.3.1

docker/agenda/Dockerfile

@@ -3,7 +3,7 @@ FROM node:18.19-buster
 ENV WORKDIR /home/workspace
 
 RUN corepack enable; \
-    yarn set version berry;
+    yarn set version 4.3.1;
 
 # Cypress requirements (https://docs.cypress.io/guides/getting-started/installing-cypress#Ubuntu-Debian)
 RUN apt-get update && apt-get install -y --fix-missing libgtk2.0-0 libgtk-3-0 libgbm-dev libnotify-dev libgconf-2-4 \

docker/app/Dockerfile

@@ -3,7 +3,7 @@ FROM node:18.19-buster
 ENV WORKDIR /home/workspace
 
 RUN corepack enable; \
-    yarn set version berry;
+    yarn set version 4.3.1;
 
 # Define working directory.
 WORKDIR ${WORKDIR}

docker/nuxt_common/Dockerfile

@@ -3,7 +3,7 @@ FROM node:18.19-buster
 ENV WORKDIR /home/workspace
 
 RUN corepack enable; \
-    yarn set version berry;
+    yarn set version 4.3.1;
 
 # Cypress requirements (https://docs.cypress.io/guides/getting-started/installing-cypress#Ubuntu-Debian)
 RUN apt-get update && apt-get install -y --fix-missing libgtk2.0-0 libgtk-3-0 libgbm-dev libnotify-dev libgconf-2-4 \

docker/site_logiciels/Dockerfile

@@ -3,7 +3,7 @@ FROM node:18.19-buster
 ENV WORKDIR /home/workspace
 
 RUN corepack enable; \
-    yarn set version berry;
+    yarn set version 4.3.1;
 
 # Define working directory.
 WORKDIR ${WORKDIR}