Update travis: +8.6.1 +8.4.4 -8.4.3

.travis.yml

@@ -30,7 +30,7 @@ branches:
 # TAGSUFFIX to help travis/upload.sh disambiguate the matrix entry.
 matrix:
   include:
-   - env: GHCVER=8.4.3 SCRIPT=meta BUILDER=none
+   - env: GHCVER=8.4.4 SCRIPT=meta BUILDER=none
      os: linux
      sudo: required
    # These don't have -dyn/-prof whitelisted yet, so we have to
@@ -55,20 +55,23 @@ matrix:
    - env: GHCVER=8.2.2 SCRIPT=script USE_GOLD=YES
      os: linux
      sudo: required
-   - env: GHCVER=8.4.3 SCRIPT=script USE_GOLD=YES DEPLOY_DOCS=YES
+   - env: GHCVER=8.4.4 SCRIPT=script USE_GOLD=YES DEPLOY_DOCS=YES
+     os: linux
+     sudo: required
+   - env: GHCVER=8.6.1 SCRIPT=script USE_GOLD=YES
      os: linux
      sudo: required
 
-   - env: GHCVER=8.4.3 SCRIPT=solver-debug-flags USE_GOLD=YES
+   - env: GHCVER=8.4.4 SCRIPT=solver-debug-flags USE_GOLD=YES
      sudo: required
      os: linux
-   - env: GHCVER=8.4.3 SCRIPT=script DEBUG_EXPENSIVE_ASSERTIONS=YES TAGSUFFIX="-fdebug-expensive-assertions" USE_GOLD=YES
+   - env: GHCVER=8.4.4 SCRIPT=script DEBUG_EXPENSIVE_ASSERTIONS=YES TAGSUFFIX="-fdebug-expensive-assertions" USE_GOLD=YES
      os: linux
      sudo: required
    - env: GHCVER=8.0.2 SCRIPT=bootstrap USE_GOLD=YES
      sudo: required
      os: linux
-   - env: GHCVER=8.4.3 SCRIPT=bootstrap USE_GOLD=YES
+   - env: GHCVER=8.4.4 SCRIPT=bootstrap USE_GOLD=YES
      sudo: required
      os: linux
 

travis-script.sh

@@ -182,7 +182,7 @@ fi
 
 # Haddock
 # TODO: >= 8.4.3 would be nicer
-if [ "$TRAVIS_OS_NAME" = "linux" -a "$GHCVER" == "8.4.3" ]; then
+if [ "$TRAVIS_OS_NAME" = "linux" -a "$GHCVER" == "8.4.4" ]; then
     timed cabal new-haddock cabal-install
 fi