Change cosign ver. release 2.0.0 was removed

.github/workflows/main.yml

@@ -104,9 +104,11 @@ jobs:
       # Install the cosign tool
       # ref.: https://github.com/sigstore/cosign-installer, v3.0.1
       - name: Install cosign
-        uses: sigstore/cosign-installer@c3667d99424e7e6047999fb6246c0da843953c65
+        uses: sigstore/cosign-installer@1fc5bd396d372bee37d608f955b336615edf79c8
         with:
-          cosign-release: 'v2.0.2'
+          cosign-release: 'v2.0.0'
+      - name: Confirm installation!
+        run: cosign version
       # Workaround: https://github.com/docker/build-push-action/issues/461
       # ref.: https://github.com/docker/setup-buildx-action, v2.5.0
       - name: Setup Docker buildx

README.md

@@ -8,7 +8,7 @@ All containers are signed with [cosign](https://github.com/sigstore/cosign/relea
 
 ```
 # install cosign
-CS_VERSION="2.0.2" && ARCH=$(([[ "$(uname -m)" == *"arm"* ]] || [[ "$(uname -m)" == *"aarch"* ]]) && echo "arm64" || echo "amd64") && \
+CS_VERSION="2.0.0" && ARCH=$(([[ "$(uname -m)" == *"arm"* ]] || [[ "$(uname -m)" == *"aarch"* ]]) && echo "arm64" || echo "amd64") && \
     OS_VERSION=$(uname) && CS_DEB="cosign_${CS_VERSION}_${ARCH}.deb" && cd /tmp && rm -fv ./$CS_DEB && \
     (dpkg -r cosign || ( echo "WARNING: Failed to remove old cosign version" && sleep 1 ) ) && \
     wget https://github.com/sigstore/cosign/releases/download/v${CS_VERSION}/${CS_DEB} && \

RELEASE.md

@@ -1,5 +1,4 @@
 Features:
 
 * upgraded interx release to `v0.4.43`
-* upgraded sekai release to `v0.3.40`
-* upgrade cosign ver to `v2.0.2`
+* upgraded sekai release to `v0.3.40`