Add 8.10.4

Author: AlistairB

.github/workflows/ci.yml

@@ -13,12 +13,12 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ghc: ['8.8.4', '8.10.3']
+        ghc: ['8.8.4', '8.10.4']
         deb: ['stretch', 'buster']
         include:
           - ghc: '8.8.4'
             ghc_minor: '8.8'
-          - ghc: '8.10.3'
+          - ghc: '8.10.4'
             ghc_minor: '8.10'
     steps:
       - uses: actions/checkout@v2

8.10/buster/Dockerfile

@@ -6,7 +6,7 @@ RUN apt-get update && \
     apt-get install -y --no-install-recommends gnupg ca-certificates dirmngr && \
     rm -rf /var/lib/apt/lists/*
 
-ARG GHC=8.10.3
+ARG GHC=8.10.4
 ARG DEBIAN_KEY=427CB69AAC9D00F2A43CAF1CBA3CBA3FFE22B574
 ARG CABAL_INSTALL=3.4
 ARG STACK=2.5.1

8.10/stretch/Dockerfile

@@ -6,7 +6,7 @@ RUN apt-get update && \
     apt-get install -y --no-install-recommends gnupg ca-certificates dirmngr && \
     rm -rf /var/lib/apt/lists/*
 
-ARG GHC=8.10.3
+ARG GHC=8.10.4
 ARG DEBIAN_KEY=427CB69AAC9D00F2A43CAF1CBA3CBA3FFE22B574
 ARG CABAL_INSTALL=3.4
 ARG STACK=2.5.1