gitlab-ci: upgrade to fedora33 from fedora27

Author: wz1000

.gitlab-ci.yml

@@ -80,10 +80,10 @@ workflow:
     - x86_64-linux
   image: "registry.gitlab.haskell.org/ghc/ci-images/x86_64-linux-centos7:$DOCKER_REV"
 
-.x86_64-linux-fedora27:
+.x86_64-linux-fedora33:
   tags:
     - x86_64-linux
-  image: "registry.gitlab.haskell.org/ghc/ci-images/x86_64-linux-fedora27:$DOCKER_REV"
+  image: "registry.gitlab.haskell.org/ghc/ci-images/x86_64-linux-fedora33:$DOCKER_REV"
 
 .x86_64-linux-alpine:
   tags:
@@ -268,35 +268,35 @@ test-x86_64-linux-centos7:
     - sudo yum install -y tree
 
 ######################
-# x86_64 linux fedora27
+# x86_64 linux fedora33
 ######################
 
-build-x86_64-linux-fedora27:
+build-x86_64-linux-fedora33:
   extends:
     - .build
-    - .x86_64-linux-fedora27
+    - .x86_64-linux-fedora33
   before_script:
     - sudo dnf install -y patchelf tree
   variables:
     ADD_CABAL_ARGS: "--enable-split-sections"
 
-tar-x86_64-linux-fedora27:
+tar-x86_64-linux-fedora33:
   extends:
     - .artifacts
-    - .x86_64-linux-fedora27
+    - .x86_64-linux-fedora33
   stage: tar
-  needs: ["build-x86_64-linux-fedora27"]
+  needs: ["build-x86_64-linux-fedora33"]
   script:
     - ./.gitlab/tar.sh
   variables:
-    TARBALL_ARCHIVE_SUFFIX: x86_64-fedora27-linux
+    TARBALL_ARCHIVE_SUFFIX: x86_64-fedora33-linux
     TARBALL_EXT: tar.xz
 
-test-x86_64-linux-fedora27:
+test-x86_64-linux-fedora33:
   extends:
     - .test
-    - .x86_64-linux-fedora27
-  needs: ["tar-x86_64-linux-fedora27"]
+    - .x86_64-linux-fedora33
+  needs: ["tar-x86_64-linux-fedora33"]
   before_script:
     - sudo dnf install -y tree