[Umbrella] Release InLong 2.0.0

[aloyszhang]

Describe the proposal

This proposal is going to release apache inlong 2.0.0(corresponding to milestone 1.14.0)

For history release like 1.13.0, refer to #10667

Task list

• [Release] Add the 2.0.0 version option for the bug report #11291
• [Release] Update changes log for the 2.0.0 version  #11292
• [Release] Create a 2.0 branch to release #11293
• [Release] Bumped master branch version to 2.1.0-SNAPSHOT #11294
• [Release] Bumped version of branch-2.0 to 2.0.0  #11295
• [Release] Change the tag of Docker images to 2.0.0 #11296
• [Release] Publish all 2.0.0 images to docker hub #11297
• [Release] Modify download & release notes for 2.0.0  inlong-website#1052
• [Release] Create the 2.0.0 version document inlong-website#1053
• [Release] Add blog for the 2.0.0 release inlong-website#1054

InLong Component

Other for not specified component

Are you willing to submit PR?

• Yes, I am willing to submit a PR!

Code of Conduct

• I agree to follow this project's Code of Conduct