message: Update the key templates list in the Go how-to.
  GitOrigin-RevId:
diff: @@ -328,7 +328,8 @@ func main() {
  ```
  -Key templates are available for MAC, digital signatures and AEAD encryption.
  +Key templates are available for MAC, digital signatures, AEAD encryption, DAEAD
  +encryption and hybrid encryption.
  Key Template Type | Key Template
  ------------------ | ------------
  @@ -336,11 +337,18 @@ AEAD | aead.AES128CTRHMACSHA256KeyTemplate()
  AEAD | aead.AES128GCMKeyTemplate()
  AEAD | aead.AES256CTRHMACSHA256KeyTemplate()
  AEAD | aead.AES256GCMKeyTemplate()
  +AEAD | aead.ChaCha20Poly1305KeyTemplate()
  +AEAD | aead.XChaCha20Poly1305KeyTemplate()
  +DAEAD | daead.AESSIVKeyTemplate()
  MAC | mac.HMACSHA256Tag128KeyTemplate()
  MAC | mac.HMACSHA256Tag256KeyTemplate()
  +MAC | mac.HMACSHA512Tag256KeyTemplate()
  +MAC | mac.HMACSHA512Tag512KeyTemplate()
  Signature | signature.ECDSAP256KeyTemplate()
  Signature | signature.ECDSAP384KeyTemplate()
  Signature | signature.ECDSAP521KeyTemplate()
  +Hybrid | hybrid.ECIESHKDFAES128GCMKeyTemplate()
  +Hybrid | hybrid.ECIESHKDFAES128CTRHMACSHA256KeyTemplate()
  To avoid accidental leakage of sensitive key material one should be careful
  mixing keyset generation and usage in code. To support the separation
  