rn: don't use annotated tags when building the SDKs

android/scripts/release-sdk.sh

     popd
 
     # Tag the release
-    git tag -a android-sdk-${SDK_VERSION}
+    git tag android-sdk-${SDK_VERSION}
 fi
 
 # Done!

ios/scripts/release-sdk.sh

 pushd ${PROJECT_REPO}
 rm -rf ios/sdk/JitsiMeet.framework
 xcodebuild -workspace ios/jitsi-meet.xcworkspace -scheme JitsiMeet -destination='generic/platform=iOS' -configuration Release archive
-git tag -a ios-sdk-${SDK_VERSION}
+git tag ios-sdk-${SDK_VERSION}
 popd
 
 pushd ${RELEASE_REPO}