prepare release 0.97.0: update compatibility matrix

open-telemetry#2766

Author: atsu85

README.md

@@ -710,6 +710,7 @@ The OpenTelemetry Operator *might* work on versions outside of the given range,
 
 | OpenTelemetry Operator | Kubernetes           | Cert-Manager        |
 |------------------------|----------------------|---------------------|
+| v0.97.0                | v1.23 to v1.29       | v1                  |
 | v0.96.0                | v1.23 to v1.29       | v1                  |
 | v0.95.0                | v1.23 to v1.29       | v1                  |
 | v0.94.0                | v1.23 to v1.29       | v1                  |
@@ -732,7 +733,6 @@ The OpenTelemetry Operator *might* work on versions outside of the given range,
 | v0.77.0                | v1.19 to v1.26       | v1                  |
 | v0.76.1                | v1.19 to v1.26       | v1                  |
 | v0.75.0                | v1.19 to v1.26       | v1                  |
-| v0.74.0                | v1.19 to v1.26       | v1                  |
 
 ## Contributing and Developing