Pin poetry==1.8.3

Multi-arch builds for log4pot are currently only working when pinning `poetry==1.8.3`.
As reported pipeline did not push images to registries (#1736)

README.md

@@ -326,7 +326,7 @@ Once you are familiar with how things work you should choose a network you suspe
 | Distribution Name                                                                  | x64                                                                                                                                   | arm64                                                                                                                                   |
 | :--------------------------------------------------------------------------------- | :------------------------------------------------------------------------------------------------------------------------------------ | :-------------------------------------------------------------------------------------------------------------------------------------- |
 | [Alma Linux OS 9.5 Boot ISO](https://almalinux.org)                                | [download](https://repo.almalinux.org/almalinux/9.5/isos/x86_64/AlmaLinux-9.5-x86_64-boot.iso)                                        | [download](https://repo.almalinux.org/almalinux/9.5/isos/aarch64/AlmaLinux-9.5-aarch64-boot.iso)                                        |
-| [Debian 12 Network Install](https://www.debian.org/CD/netinst/index.en.html)       | [download](https://cdimage.debian.org/debian-cd/current/amd64/iso-cd/debian-12.8.0-amd64-netinst.iso)                                 | [download](https://cdimage.debian.org/debian-cd/current/arm64/iso-cd/debian-12.8.0-arm64-netinst.iso)                                   |
+| [Debian 12 Network Install](https://www.debian.org/CD/netinst/index.en.html)       | [download](https://cdimage.debian.org/debian-cd/current/amd64/iso-cd/debian-12.9.0-amd64-netinst.iso)                                 | [download](https://cdimage.debian.org/debian-cd/current/arm64/iso-cd/debian-12.9.0-arm64-netinst.iso)                                   |
 | [Fedora Server 41 Network Install](https://fedoraproject.org/server/download)      | [download](https://download.fedoraproject.org/pub/fedora/linux/releases/41/Server/x86_64/iso/Fedora-Server-netinst-x86_64-41-1.4.iso) | [download](https://download.fedoraproject.org/pub/fedora/linux/releases/41/Server/aarch64/iso/Fedora-Server-netinst-aarch64-41-1.4.iso) |
 | [OpenSuse Tumbleweed Network Image](https://get.opensuse.org/tumbleweed/#download) | [download](https://download.opensuse.org/tumbleweed/iso/openSUSE-Tumbleweed-NET-x86_64-Current.iso)                                   | [download](https://download.opensuse.org/ports/aarch64/tumbleweed/iso/openSUSE-Tumbleweed-NET-aarch64-Current.iso)                      |
 | [Rocky Linux OS 9.5 Boot ISO](https://rockylinux.org/download)                     | [download](https://download.rockylinux.org/pub/rocky/9/isos/x86_64/Rocky-9.5-x86_64-minimal.iso)                                      | [download](https://download.rockylinux.org/pub/rocky/9/isos/aarch64/Rocky-9.5-aarch64-minimal.iso)                                      |

docker/log4pot/Dockerfile

@@ -3,7 +3,7 @@ ENV DEBIAN_FRONTEND=noninteractive
 #
 # Install packages
 RUN apt-get update -y && \
-	apt-get upgrade -y && \
+    apt-get upgrade -y && \
     apt-get install -y \
 		build-essential \
 		cargo \
@@ -21,21 +21,21 @@ RUN apt-get update -y && \
 		python3-dev \
 		rust-all && \
 	pip3 install --no-cache-dir --break-system-packages \
-		poetry \
+		poetry==1.8.3 \
 		pycurl && \
 #	     
 # Install log4pot from GitHub and setup
-	mkdir -p /opt /var/log/log4pot && \
+    mkdir -p /opt /var/log/log4pot && \
     cd /opt/ && \
     git clone https://github.com/thomaspatzke/Log4Pot && \
     cd Log4Pot && \
     git checkout 5002b1fe0f82359ef32dbc3a899e8a701dc3256e && \
     sed -i 's#"type": logtype,#"reason": logtype,#g' log4pot-server.py && \
-	poetry --no-cache --without=dev install && \
+    poetry --no-cache --without=dev install && \
-	setcap cap_net_bind_service=+ep $(readlink -f $(which python3)) && \
+    setcap cap_net_bind_service=+ep $(readlink -f $(which python3)) && \
 #
 # Setup user, groups and configs
-	addgroup --gid 2000 log4pot && \
+    addgroup --gid 2000 log4pot && \
     adduser --system --no-create-home --shell /bin/bash -uid 2000 --disabled-password --disabled-login -gid 2000 log4pot && \
     chown log4pot:log4pot -R /opt/Log4Pot && \
 #