Use ipynb 0.1.0.2.

With this change pandoc can be built with aeson >= 2.

cabal.project

@@ -1,16 +1,5 @@
 packages: pandoc.cabal
 tests: True
 flags: +embed_data_files
--- constraints: aeson >= 2.0.1.0
+constraints: aeson >= 2.0.1.0
 
--- Needed to build with aeson 2
-
--- source-repository-package
---   type: git
---   location: https://github.com/hasufell/aeson-pretty.git
---   tag: e902ab866bb41d990b66af3644aeb352ff7aaf6f
-
--- source-repository-package
---   type: git
---   location: https://github.com/jgm/ipynb.git
---   tag: 1f1ddb29227335091a3a158b9aeeeb47a372c683

pandoc.cabal

@@ -526,7 +526,7 @@ library
                  JuicyPixels           >= 3.1.6.1  && < 3.4,
                  SHA                   >= 1.6      && < 1.7,
                  aeson                 >= 0.7      && < 2.1,
-                 aeson-pretty          >= 0.8.5    && < 0.9,
+                 aeson-pretty          >= 0.8.9    && < 0.9,
                  array                 >= 0.5      && < 0.6,
                  attoparsec            >= 0.12     && < 0.15,
                  base64-bytestring     >= 0.1      && < 1.3,
@@ -560,7 +560,7 @@ library
                  http-client           >= 0.4.30   && < 0.8,
                  http-client-tls       >= 0.2.4    && < 0.4,
                  http-types            >= 0.8      && < 0.13,
-                 ipynb                 >= 0.1      && < 0.2,
+                 ipynb                 >= 0.1.0.2  && < 0.2,
                  jira-wiki-markup      >= 1.4      && < 1.5,
                  mtl                   >= 2.2      && < 2.3,
                  network               >= 2.6,

stack.yaml

@@ -30,6 +30,8 @@ extra-deps:
 - commonmark-0.2.1.1
 - commonmark-extensions-0.2.2
 - citeproc-0.6
+- aeson-pretty-0.8.9
+- ipynb-0.1.0.2
 ghc-options:
    "$locals": -fhide-source-paths -Wno-missing-home-modules
 resolver: lts-18.10