chore(deps): update returntocorp/semgrep docker digest to a9ea2d5

Author: renovate[bot]

.github/workflows/semgrep.yml

@@ -16,7 +16,7 @@ jobs:
     env:
       SEMGREP_APP_TOKEN: ${{ secrets.SEMGREP_APP_TOKEN }}
     container:
-      image: returntocorp/semgrep@sha256:bacb1190716dab2b1708dc63c5bf11f6014c16511e5117f83592acbc5530087a # latest
+      image: returntocorp/semgrep@sha256:a9ea2d5621c29d815d90c2a3b2f9571da8972ef4ff855c9e4902681730240e35 # latest
     steps:
     - uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
     - run: semgrep ci