chore(deps): update swift:6.1 docker digest to c8e7c8e (#887)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/BuildAndTest.yml

@@ -94,7 +94,7 @@ jobs:
       run: make test-without-building-visionos
   linux:
     runs-on: ubuntu-latest
-    container: swift:6.1@sha256:0afbf4e0d1358b6b59a41b9313c2447d25196c8e25ba51a4d6673e2609a15083
+    container: swift:6.1@sha256:c8e7c8e1c6f06c13bc51645dd03abe47e1092be9ce49dbfd8883943d9410b755
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
       - name: Build tests for Linux