[buildbot] Revert "Bump buildbot to v3.11.3 release"

[LEDE Commits]

ynezz pushed a commit to buildbot.git, branch main:
https://git.openwrt.org/b5724de423e75adc29aa4df077a364dd00cdca83

commit b5724de423e75adc29aa4df077a364dd00cdca83
Author: Petr Štetiar <ynezz at true.cz>
AuthorDate: Sat Jun 1 05:54:06 2024 +0000

    Revert "Bump buildbot to v3.11.3 release"
    
    This reverts commit 44ed9a39fddc4e79ec1276c3e5923766cbe19878 as it
    breaks GitPoller.
    
    References: https://github.com/buildbot/buildbot/issues/7663
    Signed-off-by: Petr Štetiar <ynezz at true.cz>
---
 .github/workflows/build-push.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build-push.yml b/.github/workflows/build-push.yml
index 4a2aef0..77f8b16 100644
--- a/.github/workflows/build-push.yml
+++ b/.github/workflows/build-push.yml
@@ -8,7 +8,7 @@ on:
   pull_request:
 
 env:
-  BUILDBOT_VERSION: 3.11.3
+  BUILDBOT_VERSION: 3.11.1
   GITHUB_SHA_LEN: 8
 
 concurrency: