switch builder docs target to ubuntu jammy

(cherry picked from commit 37285a568a91542909394013d7619d4b9f17b512)

diff --git a/builder-support/dockerfiles/Dockerfile.target.docs b/builder-support/dockerfiles/Dockerfile.target.docs
index bf7432818f4808c89a46c23cca2e2c7fdba6c6de..b7dd82a5dc3f01279ea70b18feb73dfa5308fc28 100644 (file)
--- a/builder-support/dockerfiles/Dockerfile.target.docs
+++ b/builder-support/dockerfiles/Dockerfile.target.docs
@@ -1,12 +1,11 @@
 # Sphinx
-FROM ubuntu:bionic as pdns-docs
+FROM ubuntu:jammy as pdns-docs
 RUN apt-get update && apt-get -y dist-upgrade && apt-get -y --no-install-recommends install \
     ghostscript \
     git \
     latexmk \
     make \
-    python-minimal \
-    python2.7 \
+    python3-minimal \
     texlive \
     texlive-font-utils \
     texlive-fonts-extra \