[ci] Update rust nightly in ci image (#2115)

Run CI using new image with nightly 2023-11-01

cc https://github.com/paritytech/polkadot-sdk/issues/2113
cc https://github.com/paritytech/ci_cd/issues/896

.github/workflows/fmt-check.yml

@@ -14,7 +14,7 @@ jobs:
         os: ["ubuntu-latest"]
     runs-on: ${{ matrix.os }}
     container:
-      image: paritytech/ci-unified:bullseye-1.70.0-2023-05-23-v20230706
+      image: paritytech/ci-unified:bullseye-1.73.0-2023-11-01-v20231025
     steps:
       - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
 

.gitlab-ci.yml

@@ -21,7 +21,8 @@ workflow:
     - if: $CI_COMMIT_BRANCH
 
 variables:
-  CI_IMAGE: !reference [.ci-unified, variables, CI_IMAGE]
+  # CI_IMAGE: !reference [.ci-unified, variables, CI_IMAGE]
+  CI_IMAGE: "docker.io/paritytech/ci-unified:bullseye-1.73.0-2023-11-01-v20231025"
   # BUILDAH_IMAGE is defined in group variables
   BUILDAH_COMMAND: "buildah --storage-driver overlay2"
   RELENG_SCRIPTS_BRANCH: "master"