Test with GHC 8.4.3 instead of 8.4.2.

Author: svenpanne

.travis.yml

@@ -52,9 +52,9 @@ matrix:
     - compiler: "ghc-8.2.2"
     # env: TEST=--disable-tests BENCH=--disable-benchmarks
       addons: {apt: {packages: [ghc-ppa-tools,cabal-install-head,ghc-8.2.2], sources: [hvr-ghc]}}
-    - compiler: "ghc-8.4.2"
+    - compiler: "ghc-8.4.3"
     # env: TEST=--disable-tests BENCH=--disable-benchmarks
-      addons: {apt: {packages: [ghc-ppa-tools,cabal-install-head,ghc-8.4.2], sources: [hvr-ghc]}}
+      addons: {apt: {packages: [ghc-ppa-tools,cabal-install-head,ghc-8.4.3], sources: [hvr-ghc]}}
     - compiler: "ghc-8.6.1"
     # env: TEST=--disable-tests BENCH=--disable-benchmarks
       addons: {apt: {packages: [ghc-ppa-tools,cabal-install-head,ghc-8.6.1], sources: [hvr-ghc]}}

StateVar.cabal

@@ -22,7 +22,7 @@ tested-with:
   GHC == 7.10.3
   GHC == 8.0.2
   GHC == 8.2.2
-  GHC == 8.4.2
+  GHC == 8.4.3
   GHC == 8.6.1
   GHC == 8.7.*
 cabal-version: >= 1.10