base: Update Pandoc to v3.4

VERSION_MATRIX.md

@@ -8,7 +8,7 @@ Topmost entry = Tag `latest`
 
 | R     | Python  | Jupyter Hub | Jupyter Lab | code‑server (Code) | RStudio       | Neovim | Git    | Git LFS | Pandoc | CRAN date  | Linux distro |
 |:------|:--------|:------------|:------------|:-------------------|:--------------|:-------|:-------|:--------|:-------|:-----------|:-------------|
-| 4.4.2 | 3.12.7  | 5.2.1       | 4.2.5       | 4.95.3 (1.95.3)    | 2024.09.1+394 | 0.10.2 | 2.47.0 | 3.6.0   | 3.2    |            | Debian 12    |
+| 4.4.2 | 3.12.7  | 5.2.1       | 4.2.5       | 4.95.3 (1.95.3)    | 2024.09.1+394 | 0.10.2 | 2.47.0 | 3.6.0   | 3.4    |            | Debian 12    |
 | 4.4.1 | 3.12.7  | 5.2.1       | 4.2.5       | 4.93.1 (1.93.1)    | 2024.09.0+375 | 0.10.2 | 2.47.0 | 3.5.1   | 3.2    | 2024‑10‑31 | Debian 12    |
 | 4.4.0 | 3.12.4  | 5.0.0       | 4.2.2       | 4.90.0 (1.90.0)    | 2024.04.2+764 | n/a    | 2.45.2 | 3.5.1   | 3.1.11 | 2024‑06‑14 | Debian 12    |
 | 4.3.3 | 3.11.9  | 4.1.5       | 4.1.6       | 4.23.0 (1.88.0)    | n/a           | n/a    | 2.44.0 | 3.5.1   | 3.1.11 | 2024‑04‑24 | Debian 12    |

base/latest.Dockerfile

@@ -14,7 +14,7 @@ ARG RSTUDIO_VERSION=2024.09.1+394
 ARG NEOVIM_VERSION=0.10.2
 ARG GIT_VERSION=2.47.0
 ARG GIT_LFS_VERSION=3.6.0
-ARG PANDOC_VERSION=3.2
+ARG PANDOC_VERSION=3.4
 
 FROM ${BUILD_ON_IMAGE}:${R_VERSION}${CUDA_IMAGE_FLAVOR:+-}${CUDA_IMAGE_FLAVOR} AS files