rtabby.yml: update cosign

Author: Clem-Fern

.github/workflows/rtabby.yml

@@ -51,9 +51,9 @@ jobs:
       # https://github.com/sigstore/cosign-installer
       - name: Install cosign
         if: ${{ github.event_name == 'release' }}
-        uses: sigstore/cosign-installer@6e04d228eb30da1757ee4e1dd75a0ec73a653e06 #v3.1.1
+        uses: sigstore/cosign-installer@v3.5.0
         with:
-          cosign-release: 'v2.1.1'
+          cosign-release: 'v2.2.4'
 
       - name: Set up QEMU
         if: ${{ github.event_name == 'release' }}