haskell-lens: use latest version when building with ghc-8.10.1

+1
+1
pkgs/development/haskell-modules/configuration-ghc-8.10.x.nix
··· 67 # Use the latest version to fix the build. 68 dhall = self.dhall_1_31_1; 69 ghc-lib-parser-ex = self.ghc-lib-parser-ex_8_10_0_4; 70 optics-core = self.optics-core_0_3; 71 repline = self.repline_0_3_0_0; 72 th-desugar = self.th-desugar_1_11;
··· 67 # Use the latest version to fix the build. 68 dhall = self.dhall_1_31_1; 69 ghc-lib-parser-ex = self.ghc-lib-parser-ex_8_10_0_4; 70 + lens = self.lens_4_19_2; 71 optics-core = self.optics-core_0_3; 72 repline = self.repline_0_3_0_0; 73 th-desugar = self.th-desugar_1_11;