Update ci-unified to 1.81

Author: cmichi

.github/workflows/ci.yml

@@ -26,7 +26,7 @@ on:
       - 'FILE_HEADER'
 
 env:
-  IMAGE:                           paritytech/ci-unified:bullseye-1.75.0
+  IMAGE:                           paritytech/ci-unified:bullseye-1.81.0
   CARGO_TARGET_DIR:                /ci-cache/${{ github.repository }}/targets/${{ github.ref_name }}/${{ github.job }}
   CARGO_INCREMENTAL:               0
   PURELY_STD_CRATES:               ink/codegen metadata engine e2e e2e/macro ink/ir
@@ -504,7 +504,7 @@ jobs:
         env:
           # Fix linking of `linkme`: https://github.com/dtolnay/linkme/issues/49
           RUSTFLAGS:                     -Clink-arg=-z -Clink-arg=nostart-stop-gc
-        uses: docker://paritytech/ci-unified:bullseye-1.75.0
+        uses: docker://paritytech/ci-unified:bullseye-1.81.0
         with:
           # run all tests with --all-features, which will run the e2e-tests feature if present
           args: /bin/bash -c "scripts/for_all_contracts_exec.sh --path integration-tests --ignore public/static-buffer --partition ${{ matrix.partition }}/6 -- cargo test \

.github/workflows/measurements.yml

@@ -14,7 +14,7 @@ jobs:
       run:
         shell: bash
     container:
-      image: paritytech/ci-unified:bullseye-1.75.0
+      image: paritytech/ci-unified:bullseye-1.81.0
     strategy:
       fail-fast: false
       matrix: