[SVLS-9373] fix(config): trim trailing slashes from DD URL env vars

[shreyamalpani]

Overview

DD_URL, DD_DD_URL, and DD_APM_DD_URL were not trimming trailing slashes before being used to build intake URLs. This caused failures such as failing dogstatsd's DdUrl/DdDdUrl prefix validation, panicking with can't parse DD_DD_URL: UrlPrefixError(...) in start_metrics_flushers.

The fix lives upstream in datadog-agent-config: DataDog/serverless-components#142.

This PR bumps bottlecap's serverless-components pin to the merged fix commit, and bumps bottlecap's own direct libdatadog pins to match.

Motivation

SVLS-9373

Testing

• Added tests in serverless-components
• Manually tested on a Lambda function that the extension no longer panics after these changes

[datadog-official]

✨ Fix all issues with BitsAI

⚠️ Warnings

🚦 3 Pipeline jobs failed

DataDog/datadog-lambda-extension | integration-suite: [lmi]     

DataDog/datadog-lambda-extension | integration-suite: [on-demand]     

DataDog/datadog-lambda-extension | integration-suite: [snapstart]     

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[Copilot]

Pull request overview

This PR updates Bottlecap’s pinned upstream configuration dependencies so that DD_URL, DD_DD_URL, and DD_APM_DD_URL inputs are normalized (trailing slashes trimmed) before being used to build intake URLs, preventing URL prefix validation failures and panics in metrics flusher initialization.

Changes:

• Bumped serverless-components (including datadog-agent-config and dogstatsd) to a revision that trims trailing slashes for relevant DD_*_URL env vars.
• Bumped libdatadog git pins to a matching revision and updated the lockfile accordingly.
• Added unit tests in Bottlecap config parsing to ensure DD_URL and DD_DD_URL with trailing slashes remain parseable after normalization.

Reviewed changes

Copilot reviewed 2 out of 3 changed files in this pull request and generated 1 comment.

File	Description
bottlecap/src/config/mod.rs	Adds regression tests for DD_URL/DD_DD_URL trailing-slash normalization behavior.
bottlecap/Cargo.toml	Updates git revisions for serverless-components and libdatadog dependencies.
bottlecap/Cargo.lock	Refreshes the dependency graph to reflect updated git pins and transitive version changes.