Use Buster because that supports Perl 5.34...

.github/workflows/docker-image.yml

@@ -7,9 +7,9 @@ jobs:
     strategy:
       matrix:
         include:
-          - version: "5.36"
+          - version: "5.34"
             branches: "1.9,1.10,1.11,master"
-          - version: "5.38"
+          - version: "5.36"
             branches: "1.9,1.10,1.11"
     runs-on: ubuntu-latest
     steps:

perl/Dockerfile

@@ -3,7 +3,7 @@ ARG perl=5.32
 ARG branches="1.8,1.9,1.10,master"
 
 # postgresql-autodoc isn't in bullseye, so choose buster or bookworm
-FROM        perl:$perl-slim-bookworm
+FROM        perl:$perl-slim-buster
 LABEL       maintainer="[email protected]"
 
 # FROM resets ARG, so redeclare
@@ -60,6 +60,7 @@ RUN apt-get update && apt-get -y install gnupg2 \
     libclass-trigger-perl libclass-accessor-lite-perl libtest-requires-perl \
     libmodule-install-perl python3-setuptools libdist-zilla-perl && \
   apt-get -y install curl ca-certificates wget gnupg2 lsb-release && \
+  mkdir -p /etc/apt/keyrings && \
   (curl -fsSL https://deb.nodesource.com/gpgkey/nodesource-repo.gpg.key | gpg --dearmor > /etc/apt/keyrings/nodesource.gpg ) && \
   echo "deb [signed-by=/etc/apt/keyrings/nodesource.gpg] https://deb.nodesource.com/node_21.x nodistro main" | tee /etc/apt/sources.list.d/nodesource.list  && \
   echo "deb http://apt.postgresql.org/pub/repos/apt/ $(lsb_release -cs)-pgdg main" > /etc/apt/sources.list.d/pgdg.list && \