set all the tags to 6.9 for test

[DaedalusG]

This script has been failing during releases resulting in the following error:

$ wget https://github.com/comby-tools/comby/releases/download/1.8.1/comby-1.8.1-x86_64-linux
--
  | chmod +x ./comby-1.8.1-x86_64-linux
  | mv comby-1.8.1-x86_64-linux /usr/local/bin/comby
  |  
  | sg release run test --workdir=. --config-from-commit
  |  
  | --2025-11-12 22:40:12--  https://github.com/comby-tools/comby/releases/download/1.8.1/comby-1.8.1-x86_64-linux
  | Resolving github.com (github.com)... 140.82.113.4
  | Connecting to github.com (github.com)\|140.82.113.4\|:443... connected.
  | HTTP request sent, awaiting response... 302 Found
  | Location: https://release-assets.githubusercontent.com/github-production-release-asset/180236648/9ad78da2-9bdc-4271-8865-d243d7fd0349?sp=r&sv=2018-11-09&sr=b&spr=https&se=2025-11-12T23%3A28%3A09Z&rscd=attachment%3B+filename%3Dcomby-1.8.1-x86_64-linux&rsct=application%2Foctet-stream&skoid=96c2d410-5711-43a1-aedd-ab1947aa7ab0&sktid=398a6654-997b-47e9-b12b-9515b896b4de&skt=2025-11-12T22%3A27%3A13Z&ske=2025-11-12T23%3A28%3A09Z&sks=b&skv=2018-11-09&sig=Iw0J8WV1JTDx498vZ3sqVR2AWnfHFo6%2Bbuhpn9Cc1zA%3D&jwt=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmVsZWFzZS1hc3NldHMuZ2l0aHVidXNlcmNvbnRlbnQuY29tIiwia2V5Ijoia2V5MSIsImV4cCI6MTc2Mjk4OTAxMiwibmJmIjoxNzYyOTg3MjEyLCJwYXRoIjoicmVsZWFzZWFzc2V0cHJvZHVjdGlvbi5ibG9iLmNvcmUud2luZG93cy5uZXQifQ.GNIRljNnlCYPu2Xx8TcTNtvZnNyLkPETGz7HtaENUaU&response-content-disposition=attachment%3B%20filename%3Dcomby-1.8.1-x86_64-linux&response-content-type=application%2Foctet-stream [following]
  | --2025-11-12 22:40:12--  https://release-assets.githubusercontent.com/github-production-release-asset/180236648/9ad78da2-9bdc-4271-8865-d243d7fd0349?sp=r&sv=2018-11-09&sr=b&spr=https&se=2025-11-12T23%3A28%3A09Z&rscd=attachment%3B+filename%3Dcomby-1.8.1-x86_64-linux&rsct=application%2Foctet-stream&skoid=96c2d410-5711-43a1-aedd-ab1947aa7ab0&sktid=398a6654-997b-47e9-b12b-9515b896b4de&skt=2025-11-12T22%3A27%3A13Z&ske=2025-11-12T23%3A28%3A09Z&sks=b&skv=2018-11-09&sig=Iw0J8WV1JTDx498vZ3sqVR2AWnfHFo6%2Bbuhpn9Cc1zA%3D&jwt=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJnaXRodWIuY29tIiwiYXVkIjoicmVsZWFzZS1hc3NldHMuZ2l0aHVidXNlcmNvbnRlbnQuY29tIiwia2V5Ijoia2V5MSIsImV4cCI6MTc2Mjk4OTAxMiwibmJmIjoxNzYyOTg3MjEyLCJwYXRoIjoicmVsZWFzZWFzc2V0cHJvZHVjdGlvbi5ibG9iLmNvcmUud2luZG93cy5uZXQifQ.GNIRljNnlCYPu2Xx8TcTNtvZnNyLkPETGz7HtaENUaU&response-content-disposition=attachment%3B%20filename%3Dcomby-1.8.1-x86_64-linux&response-content-type=application%2Foctet-stream
  | Resolving release-assets.githubusercontent.com (release-assets.githubusercontent.com)... 185.199.108.133, 185.199.109.133, 185.199.110.133, ...
  | Connecting to release-assets.githubusercontent.com (release-assets.githubusercontent.com)\|185.199.108.133\|:443... connected.
  | HTTP request sent, awaiting response... 200 OK
  | Length: 38581720 (37M) [application/octet-stream]
  | Saving to: 'comby-1.8.1-x86_64-linux'
  |  
  | comby-1.8.1-x86_64-linux                100%[===============================================================================>]  36.79M   149MB/s    in 0.2s
  |  
  | 2025-11-12 22:40:12 (149 MB/s) - 'comby-1.8.1-x86_64-linux' saved [38581720/38581720]
  |  
  | 👉 [     setup] Finding release manifest in "."
  | [     setup] No explicit branch name was provided, assuming current branch is the target: 6.10.0
  | [     setup] Found manifest for "terraform-aws-executors" (github.com/sourcegraph/terraform-aws-executors)
  | [      meta] Owners: sourcegraph/release
  | [      meta] Repository: github.com/sourcegraph/terraform-aws-executors
  | 👉 [      vars] Variables
  | [      vars] inputs.server.tag="6.10.0"
  | [      vars] version="v6.10.0"
  | [      vars] tag="6.10.0"
  | [      vars] git.branch="6.10.0"
  | [      vars] is_development="false"
  | [      vars] do_init="false"
  | [      vars] do_init_only="false"
  | [      vars] pipline_flags=""
  | [      vars] inputs.server.version="6.10.0"
  | [      vars] config="{\"version\":\"v6.10.0\",\"inputs\":\"server=6.10.0\",\"type\":\"minor\"}"
  | 👉 [      reqs] Checking requirements...
  | [      reqs] ✅ comby
  | [      reqs] ✅ GitHub CLI
  | 👉 [      test] Running testing steps for v6.10.0
  | 👉 [      step] Running step "changes:README"
  | [changes:README] expected 16 new version tags of "6.10.0" in README.md, got 0
  | [changes:README] Step failed: exit status 1
  | 🚨 Error: The command exited with status 1
  | user command error: exit status 1

This makes the target more explicit

Test plan

rerun release test