template-haskell: Bump version to 2.21.0.0

compiler/ghc.cabal.in

@@ -104,7 +104,7 @@ Library
                    containers >= 0.6.2.1 && < 0.7,
                    array      >= 0.1 && < 0.6,
                    filepath   >= 1   && < 1.5,
-                   template-haskell == 2.20.*,
+                   template-haskell == 2.21.*,
                    hpc        == 0.6.*,
                    transformers >= 0.5 && < 0.7,
                    exceptions == 0.10.*,

exceptions @ b1cbf778

-Subproject commit a473e4fa1acdbcfc7cc96f84ae3f2cb38261e08b
+Subproject commit b1cbf778844a28203f7da1ef286a9b4e7d6e4bb9

libraries/ghci/ghci.cabal.in

@@ -84,7 +84,7 @@ library
         filepath         == 1.4.*,
         ghc-boot         == @ProjectVersionMunged@,
         ghc-heap         == @ProjectVersionMunged@,
-        template-haskell == 2.20.*,
+        template-haskell == 2.21.*,
         transformers     >= 0.5 && < 0.7
 
     if !os(windows)

libraries/template-haskell/template-haskell.cabal.in

@@ -3,7 +3,7 @@
 -- template-haskell.cabal.
 
 name:           template-haskell
-version:        2.20.0.0
+version:        2.21.0.0
 -- NOTE: Don't forget to update ./changelog.md
 license:        BSD3
 license-file:   LICENSE

testsuite/tests/ghci/scripts/T21110.stderr

@@ -2,4 +2,4 @@
 <no location info>: warning: [GHC-42258] [-Wunused-packages]
     The following packages were specified via -package or -package-id flags,
     but were not needed for compilation:
-      - template-haskell-2.20.0.0 (exposed by flag -package template-haskell)
+      - template-haskell-2.21.0.0 (exposed by flag -package template-haskell)