feat(dora): add env vars to control bot filtering in DORA metrics

Introduce ENABLE_BOT_FILTERING and BOT_FILTERING_PATTERN to
enable exclusion of bot-authored changes (e.g., Renovate, Dependabot).

Author: rodrigoluizs

env.example

@@ -82,4 +82,10 @@ SKIP_COMMIT_FILES=true
 WRAP_RESPONSE_ERROR=
 
 # Enable subtasks by default: plugin_name:subtask_name:enabled
-ENABLE_SUBTASKS_BY_DEFAULT="jira:collectIssueChangelogs:true,jira:extractIssueChangelogs:true,jira:convertIssueChangelogs:true,tapd:collectBugChangelogs:true,tapd:extractBugChangelogs:true,tapd:convertBugChangelogs:true,zentao:collectBugRepoCommits:true,zentao:extractBugRepoCommits:true,zentao:convertBugRepoCommits:true,zentao:collectStoryRepoCommits:true,zentao:extractStoryRepoCommits:true,zentao:convertStoryRepoCommits:true,zentao:collectTaskRepoCommits:true,zentao:extractTaskRepoCommits:true,zentao:convertTaskRepoCommits:true"
+ENABLE_SUBTASKS_BY_DEFAULT="jira:collectIssueChangelogs:true,jira:extractIssueChangelogs:true,jira:convertIssueChangelogs:true,tapd:collectBugChangelogs:true,tapd:extractBugChangelogs:true,tapd:convertBugChangelogs:true,zentao:collectBugRepoCommits:true,zentao:extractBugRepoCommits:true,zentao:convertBugRepoCommits:true,zentao:collectStoryRepoCommits:true,zentao:extractStoryRepoCommits:true,zentao:convertStoryRepoCommits:true,zentao:collectTaskRepoCommits:true,zentao:extractTaskRepoCommits:true,zentao:convertTaskRepoCommits:true"
+
+# Enable filtering of bot-authored changes in DORA metrics (e.g., to exclude commits from Renovate, Dependabot)
+ENABLE_BOT_FILTERING=
+
+# Regex pattern to identify bot users by display name or username in DORA plugin
+BOT_FILTERING_PATTERN=